fkie_cve-2025-37948
Vulnerability from fkie_nvd
Published
2025-05-20 16:15
Modified
2025-12-18 20:57
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: arm64: bpf: Add BHB mitigation to the epilogue for cBPF programs A malicious BPF program may manipulate the branch history to influence what the hardware speculates will happen next. On exit from a BPF program, emit the BHB mititgation sequence. This is only applied for 'classic' cBPF programs that are loaded by seccomp.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0dfefc2ea2f29ced2416017d7e5b1253a54c2735Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/38c345fd54afd9d6ed8d3fcddf3f6ea23887bf78Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/42a20cf51011788f04cf2adbcd7681f02bdb6c27Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/852b8ae934b5cbdc62496fa56ce9969aa2edda7fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8fe5c37b0e08a97cf0210bb75970e945aaaeebabPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/993f63239c219696aef8887a4e7d3a16bf5a8ecePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c6a8735d841bcb7649734bb3a787bb174c67c0d8Patch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/08/msg00010.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/10/msg00007.htmlThird Party Advisory
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 6.15
linux linux_kernel 6.15
linux linux_kernel 6.15
linux linux_kernel 6.15
linux linux_kernel 6.15
linux linux_kernel 6.15
debian debian_linux 11.0


To clipboard 

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      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\narm64: bpf: Add BHB mitigation to the epilogue for cBPF programs\n\nA malicious BPF program may manipulate the branch history to influence\nwhat the hardware speculates will happen next.\n\nOn exit from a BPF program, emit the BHB mititgation sequence.\n\nThis is only applied for \u0027classic\u0027 cBPF programs that are loaded by\nseccomp."
    },
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    }
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  "id": "CVE-2025-37948",
  "lastModified": "2025-12-18T20:57:12.500",
  "metrics": {
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          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
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          "scope": "UNCHANGED",
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        "source": "nvd@nist.gov",
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}


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