fkie_cve-2022-48850
Vulnerability from fkie_nvd
Published
2024-07-16 13:15
Modified
2024-11-21 07:34
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: net-sysfs: add check for netdevice being present to speed_show When bringing down the netdevice or system shutdown, a panic can be triggered while accessing the sysfs path because the device is already removed. [ 755.549084] mlx5_core 0000:12:00.1: Shutdown was called [ 756.404455] mlx5_core 0000:12:00.0: Shutdown was called ... [ 757.937260] BUG: unable to handle kernel NULL pointer dereference at (null) [ 758.031397] IP: [<ffffffff8ee11acb>] dma_pool_alloc+0x1ab/0x280 crash> bt ... PID: 12649 TASK: ffff8924108f2100 CPU: 1 COMMAND: "amsd" ... #9 [ffff89240e1a38b0] page_fault at ffffffff8f38c778 [exception RIP: dma_pool_alloc+0x1ab] RIP: ffffffff8ee11acb RSP: ffff89240e1a3968 RFLAGS: 00010046 RAX: 0000000000000246 RBX: ffff89243d874100 RCX: 0000000000001000 RDX: 0000000000000000 RSI: 0000000000000246 RDI: ffff89243d874090 RBP: ffff89240e1a39c0 R8: 000000000001f080 R9: ffff8905ffc03c00 R10: ffffffffc04680d4 R11: ffffffff8edde9fd R12: 00000000000080d0 R13: ffff89243d874090 R14: ffff89243d874080 R15: 0000000000000000 ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018 #10 [ffff89240e1a39c8] mlx5_alloc_cmd_msg at ffffffffc04680f3 [mlx5_core] #11 [ffff89240e1a3a18] cmd_exec at ffffffffc046ad62 [mlx5_core] #12 [ffff89240e1a3ab8] mlx5_cmd_exec at ffffffffc046b4fb [mlx5_core] #13 [ffff89240e1a3ae8] mlx5_core_access_reg at ffffffffc0475434 [mlx5_core] #14 [ffff89240e1a3b40] mlx5e_get_fec_caps at ffffffffc04a7348 [mlx5_core] #15 [ffff89240e1a3bb0] get_fec_supported_advertised at ffffffffc04992bf [mlx5_core] #16 [ffff89240e1a3c08] mlx5e_get_link_ksettings at ffffffffc049ab36 [mlx5_core] #17 [ffff89240e1a3ce8] __ethtool_get_link_ksettings at ffffffff8f25db46 #18 [ffff89240e1a3d48] speed_show at ffffffff8f277208 #19 [ffff89240e1a3dd8] dev_attr_show at ffffffff8f0b70e3 #20 [ffff89240e1a3df8] sysfs_kf_seq_show at ffffffff8eedbedf #21 [ffff89240e1a3e18] kernfs_seq_show at ffffffff8eeda596 #22 [ffff89240e1a3e28] seq_read at ffffffff8ee76d10 #23 [ffff89240e1a3e98] kernfs_fop_read at ffffffff8eedaef5 #24 [ffff89240e1a3ed8] vfs_read at ffffffff8ee4e3ff #25 [ffff89240e1a3f08] sys_read at ffffffff8ee4f27f #26 [ffff89240e1a3f50] system_call_fastpath at ffffffff8f395f92 crash> net_device.state ffff89443b0c0000 state = 0x5 (__LINK_STATE_START| __LINK_STATE_NOCARRIER) To prevent this scenario, we also make sure that the netdevice is present.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/081369ad088a76429984483b8a5f7e967a125aadPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3a79f380b3e10edf6caa9aac90163a5d7a282204Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4224cfd7fb6523f7a9d1c8bb91bb5df1e38eb624Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/75fc8363227a999e8f3d17e2eb28dce5600dcd3fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8879b5313e9fa5e0c6d6812a0d25d83aed0110e2Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8d5e69d8fbf3a35ab4fbe56b8f092802b43f3ef6Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a7b9ab04c5932dee7ec95e0abc58b0df350c0dd2Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d15c9f6e3335002fea1c33bc8f71a705fa96976cPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/081369ad088a76429984483b8a5f7e967a125aadPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/3a79f380b3e10edf6caa9aac90163a5d7a282204Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/4224cfd7fb6523f7a9d1c8bb91bb5df1e38eb624Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/75fc8363227a999e8f3d17e2eb28dce5600dcd3fPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/8879b5313e9fa5e0c6d6812a0d25d83aed0110e2Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/8d5e69d8fbf3a35ab4fbe56b8f092802b43f3ef6Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/a7b9ab04c5932dee7ec95e0abc58b0df350c0dd2Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/d15c9f6e3335002fea1c33bc8f71a705fa96976cPatch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *


To clipboard 

{
   configurations: [
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "22B29938-3445-45F5-868D-74D6063E6D64",
                     versionEndExcluding: "4.9.307",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "7F0FA2C5-4E50-48A6-9D72-7C133B60EF05",
                     versionEndExcluding: "4.14.272",
                     versionStartIncluding: "4.10",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "F8671D74-E8CD-4E41-A93F-3E3E88125D16",
                     versionEndExcluding: "4.19.235",
                     versionStartIncluding: "4.15",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "B374BFBF-C879-4A72-921F-C850CF7DFB99",
                     versionEndExcluding: "5.4.185",
                     versionStartIncluding: "4.20",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "6A4F38AC-99A2-48DF-B132-C9F785B309B8",
                     versionEndExcluding: "5.10.106",
                     versionStartIncluding: "5.5",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "15DC6588-B28F-4637-9A1E-3753B34A40CF",
                     versionEndExcluding: "5.15.29",
                     versionStartIncluding: "5.11",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "83FDEDF2-0E19-4879-91FD-171E66D1B335",
                     versionEndExcluding: "5.16.15",
                     versionStartIncluding: "5.16",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
   ],
   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "In the Linux kernel, the following vulnerability has been resolved:\n\nnet-sysfs: add check for netdevice being present to speed_show\n\nWhen bringing down the netdevice or system shutdown, a panic can be\ntriggered while accessing the sysfs path because the device is already\nremoved.\n\n    [  755.549084] mlx5_core 0000:12:00.1: Shutdown was called\n    [  756.404455] mlx5_core 0000:12:00.0: Shutdown was called\n    ...\n    [  757.937260] BUG: unable to handle kernel NULL pointer dereference at           (null)\n    [  758.031397] IP: [<ffffffff8ee11acb>] dma_pool_alloc+0x1ab/0x280\n\n    crash> bt\n    ...\n    PID: 12649  TASK: ffff8924108f2100  CPU: 1   COMMAND: \"amsd\"\n    ...\n     #9 [ffff89240e1a38b0] page_fault at ffffffff8f38c778\n        [exception RIP: dma_pool_alloc+0x1ab]\n        RIP: ffffffff8ee11acb  RSP: ffff89240e1a3968  RFLAGS: 00010046\n        RAX: 0000000000000246  RBX: ffff89243d874100  RCX: 0000000000001000\n        RDX: 0000000000000000  RSI: 0000000000000246  RDI: ffff89243d874090\n        RBP: ffff89240e1a39c0   R8: 000000000001f080   R9: ffff8905ffc03c00\n        R10: ffffffffc04680d4  R11: ffffffff8edde9fd  R12: 00000000000080d0\n        R13: ffff89243d874090  R14: ffff89243d874080  R15: 0000000000000000\n        ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018\n    #10 [ffff89240e1a39c8] mlx5_alloc_cmd_msg at ffffffffc04680f3 [mlx5_core]\n    #11 [ffff89240e1a3a18] cmd_exec at ffffffffc046ad62 [mlx5_core]\n    #12 [ffff89240e1a3ab8] mlx5_cmd_exec at ffffffffc046b4fb [mlx5_core]\n    #13 [ffff89240e1a3ae8] mlx5_core_access_reg at ffffffffc0475434 [mlx5_core]\n    #14 [ffff89240e1a3b40] mlx5e_get_fec_caps at ffffffffc04a7348 [mlx5_core]\n    #15 [ffff89240e1a3bb0] get_fec_supported_advertised at ffffffffc04992bf [mlx5_core]\n    #16 [ffff89240e1a3c08] mlx5e_get_link_ksettings at ffffffffc049ab36 [mlx5_core]\n    #17 [ffff89240e1a3ce8] __ethtool_get_link_ksettings at ffffffff8f25db46\n    #18 [ffff89240e1a3d48] speed_show at ffffffff8f277208\n    #19 [ffff89240e1a3dd8] dev_attr_show at ffffffff8f0b70e3\n    #20 [ffff89240e1a3df8] sysfs_kf_seq_show at ffffffff8eedbedf\n    #21 [ffff89240e1a3e18] kernfs_seq_show at ffffffff8eeda596\n    #22 [ffff89240e1a3e28] seq_read at ffffffff8ee76d10\n    #23 [ffff89240e1a3e98] kernfs_fop_read at ffffffff8eedaef5\n    #24 [ffff89240e1a3ed8] vfs_read at ffffffff8ee4e3ff\n    #25 [ffff89240e1a3f08] sys_read at ffffffff8ee4f27f\n    #26 [ffff89240e1a3f50] system_call_fastpath at ffffffff8f395f92\n\n    crash> net_device.state ffff89443b0c0000\n      state = 0x5  (__LINK_STATE_START| __LINK_STATE_NOCARRIER)\n\nTo prevent this scenario, we also make sure that the netdevice is present.",
      },
      {
         lang: "es",
         value: "En el kernel de Linux, se resolvió la siguiente vulnerabilidad: net-sysfs: agregue verificación para que netdevice esté presente en speed_show Al desactivar el netdevice o apagar el sistema, se puede desencadenar un pánico al acceder a la ruta sysfs porque el dispositivo ya está eliminado. [ 755.549084] mlx5_core 0000:12:00.1: Se llamó al apagado [ 756.404455] mlx5_core 0000:12:00.0: Se llamó al apagado... [ 757.937260] ERROR: no se puede manejar la desreferencia del puntero NULL del kernel en (nulo) [ 758.031397] IP: [] dma_pool_alloc+0x1ab/0x280 crash&gt; bt... PID: 12649 TAREA: ffff8924108f2100 CPU: 1 COMANDO: \"amsd\"... #9 [ffff89240e1a38b0] page_fault en ffffffff8f38c778 [excepción RIP: pool_alloc+0x1ab] RIP : ffffffff8ee11acb RSP: ffff89240e1a3968 RFLAGS: 00010046 RAX: 0000000000000246 RBX: ffff89243d874100 RCX: 0000000000001000 RDX: 00000000000000000 RSI: 0000000000000246 RDI: ffff89243d874090 RBP: ffff89240e1a39c0 R8: 000000000001f080 R9: ffff8905ffc03c00 R10: ffffffffc04680d4 R11: d R12: 00000000000080d0 R13: ffff89243d874090 R14: ffff89243d874080 R15: 0000000000000000 ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018 #10 [ffff89240e1a39c8] mlx5_alloc_cmd_msg en ffffffffc04680f3 [mlx5_core] #11 [ffff89240e1a3a18] d_exec en ffffffffc046ad62 [mlx5_core] #12 [ffff89240e1a3ab8] mlx5_cmd_exec en ffffffffc046b4fb [mlx5_core] #13 [ffff89240e1a3ae8] mlx5_core_access_reg en ffffffffc0475434 [mlx5_core] #14 [ffff89240e1a3b40] mlx5e_get_fec_caps en ffffffffc04a7348 [mlx5_core] #15 [ffff89240e1a3bb0] get_fec_supported_advertised en ffffffffc04992bf [mlx5_core] #16 [ffff89240e1a3c08] mlx5e_get_link_ksettings en ffffffffc049ab36 [mlx5_core] #17 [ffff89240e1a3ce8] __ethtool_get_link_ksettings en ffffffff8f25db46 #18 [ ffff89240e1a3d48] speed_show en ffffffff8f277208 #19 [ffff89240e1a3dd8] dev_attr_show en ffffffff8f0b70e3 #20 [ffff89240e1a3df8] sysfs_kf_seq_show en ffffffff8eedbedf #21 40e1a3e18] kernfs_seq_show en ffffffff8eeda596 #22 [ffff89240e1a3e28] seq_read en ffffffff8ee76d10 #23 [ffff89240e1a3e98] kernfs_fop_read en ffffffff8eedaef5 #24 8] vfs_read en ffffffff8ee4e3ff #25 [ffff89240e1a3f08] sys_read en ffffffff8ee4f27f #26 [ffff89240e1a3f50] system_call_fastpath en ffffffff8f395f92 crash&gt; net_device.state ffff89443b0c0000 estado = 0x5 LINK_STATE_START| __LINK_STATE_NOCARRIER) Para evitar este escenario, también nos aseguramos de que el netdevice esté presente.",
      },
   ],
   id: "CVE-2022-48850",
   lastModified: "2024-11-21T07:34:12.593",
   metrics: {
      cvssMetricV31: [
         {
            cvssData: {
               attackComplexity: "LOW",
               attackVector: "LOCAL",
               availabilityImpact: "HIGH",
               baseScore: 5.5,
               baseSeverity: "MEDIUM",
               confidentialityImpact: "NONE",
               integrityImpact: "NONE",
               privilegesRequired: "LOW",
               scope: "UNCHANGED",
               userInteraction: "NONE",
               vectorString: "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
               version: "3.1",
            },
            exploitabilityScore: 1.8,
            impactScore: 3.6,
            source: "nvd@nist.gov",
            type: "Primary",
         },
      ],
   },
   published: "2024-07-16T13:15:12.170",
   references: [
      {
         source: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
         tags: [
            "Patch",
         ],
         url: "https://git.kernel.org/stable/c/081369ad088a76429984483b8a5f7e967a125aad",
      },
      {
         source: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
         tags: [
            "Patch",
         ],
         url: "https://git.kernel.org/stable/c/3a79f380b3e10edf6caa9aac90163a5d7a282204",
      },
      {
         source: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
         tags: [
            "Patch",
         ],
         url: "https://git.kernel.org/stable/c/4224cfd7fb6523f7a9d1c8bb91bb5df1e38eb624",
      },
      {
         source: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
         tags: [
            "Patch",
         ],
         url: "https://git.kernel.org/stable/c/75fc8363227a999e8f3d17e2eb28dce5600dcd3f",
      },
      {
         source: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
         tags: [
            "Patch",
         ],
         url: "https://git.kernel.org/stable/c/8879b5313e9fa5e0c6d6812a0d25d83aed0110e2",
      },
      {
         source: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
         tags: [
            "Patch",
         ],
         url: "https://git.kernel.org/stable/c/8d5e69d8fbf3a35ab4fbe56b8f092802b43f3ef6",
      },
      {
         source: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
         tags: [
            "Patch",
         ],
         url: "https://git.kernel.org/stable/c/a7b9ab04c5932dee7ec95e0abc58b0df350c0dd2",
      },
      {
         source: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
         tags: [
            "Patch",
         ],
         url: "https://git.kernel.org/stable/c/d15c9f6e3335002fea1c33bc8f71a705fa96976c",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Patch",
         ],
         url: "https://git.kernel.org/stable/c/081369ad088a76429984483b8a5f7e967a125aad",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Patch",
         ],
         url: "https://git.kernel.org/stable/c/3a79f380b3e10edf6caa9aac90163a5d7a282204",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Patch",
         ],
         url: "https://git.kernel.org/stable/c/4224cfd7fb6523f7a9d1c8bb91bb5df1e38eb624",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Patch",
         ],
         url: "https://git.kernel.org/stable/c/75fc8363227a999e8f3d17e2eb28dce5600dcd3f",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Patch",
         ],
         url: "https://git.kernel.org/stable/c/8879b5313e9fa5e0c6d6812a0d25d83aed0110e2",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Patch",
         ],
         url: "https://git.kernel.org/stable/c/8d5e69d8fbf3a35ab4fbe56b8f092802b43f3ef6",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Patch",
         ],
         url: "https://git.kernel.org/stable/c/a7b9ab04c5932dee7ec95e0abc58b0df350c0dd2",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Patch",
         ],
         url: "https://git.kernel.org/stable/c/d15c9f6e3335002fea1c33bc8f71a705fa96976c",
      },
   ],
   sourceIdentifier: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
   vulnStatus: "Modified",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-476",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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