ghsa-3r4r-jmwh-rccm
Vulnerability from github
In the Linux kernel, the following vulnerability has been resolved:
drivers: perf: Check find_first_bit() return value
We must check the return value of find_first_bit() before using the return value as an index array since it happens to overflow the array and then panic:
[ 107.318430] Kernel BUG [#1] [ 107.319434] CPU: 3 PID: 1238 Comm: kill Tainted: G E 6.6.0-rc6ubuntu-defconfig #2 [ 107.319465] Hardware name: riscv-virtio,qemu (DT) [ 107.319551] epc : pmu_sbi_ovf_handler+0x3a4/0x3ae [ 107.319840] ra : pmu_sbi_ovf_handler+0x52/0x3ae [ 107.319868] epc : ffffffff80a0a77c ra : ffffffff80a0a42a sp : ffffaf83fecda350 [ 107.319884] gp : ffffffff823961a8 tp : ffffaf8083db1dc0 t0 : ffffaf83fecda480 [ 107.319899] t1 : ffffffff80cafe62 t2 : 000000000000ff00 s0 : ffffaf83fecda520 [ 107.319921] s1 : ffffaf83fecda380 a0 : 00000018fca29df0 a1 : ffffffffffffffff [ 107.319936] a2 : 0000000001073734 a3 : 0000000000000004 a4 : 0000000000000000 [ 107.319951] a5 : 0000000000000040 a6 : 000000001d1c8774 a7 : 0000000000504d55 [ 107.319965] s2 : ffffffff82451f10 s3 : ffffffff82724e70 s4 : 000000000000003f [ 107.319980] s5 : 0000000000000011 s6 : ffffaf8083db27c0 s7 : 0000000000000000 [ 107.319995] s8 : 0000000000000001 s9 : 00007fffb45d6558 s10: 00007fffb45d81a0 [ 107.320009] s11: ffffaf7ffff60000 t3 : 0000000000000004 t4 : 0000000000000000 [ 107.320023] t5 : ffffaf7f80000000 t6 : ffffaf8000000000 [ 107.320037] status: 0000000200000100 badaddr: 0000000000000000 cause: 0000000000000003 [ 107.320081] [] pmu_sbi_ovf_handler+0x3a4/0x3ae [ 107.320112] [] handle_percpu_devid_irq+0x9e/0x1a0 [ 107.320131] [] generic_handle_domain_irq+0x28/0x36 [ 107.320148] [] riscv_intc_irq+0x36/0x4e [ 107.320166] [] handle_riscv_irq+0x54/0x86 [ 107.320189] [] do_irq+0x64/0x96 [ 107.320271] Code: 85a6 855e b097 ff7f 80e7 9220 b709 9002 4501 bbd9 (9002) 6097 [ 107.320585] ---[ end trace 0000000000000000 ]--- [ 107.320704] Kernel panic - not syncing: Fatal exception in interrupt [ 107.320775] SMP: stopping secondary CPUs [ 107.321219] Kernel Offset: 0x0 from 0xffffffff80000000 [ 107.333051] ---[ end Kernel panic - not syncing: Fatal exception in interrupt ]---
{ affected: [], aliases: [ "CVE-2023-52797", ], database_specific: { cwe_ids: [], github_reviewed: false, github_reviewed_at: null, nvd_published_at: "2024-05-21T16:15:18Z", severity: null, }, details: "In the Linux kernel, the following vulnerability has been resolved:\n\ndrivers: perf: Check find_first_bit() return value\n\nWe must check the return value of find_first_bit() before using the\nreturn value as an index array since it happens to overflow the array\nand then panic:\n\n[ 107.318430] Kernel BUG [#1]\n[ 107.319434] CPU: 3 PID: 1238 Comm: kill Tainted: G E 6.6.0-rc6ubuntu-defconfig #2\n[ 107.319465] Hardware name: riscv-virtio,qemu (DT)\n[ 107.319551] epc : pmu_sbi_ovf_handler+0x3a4/0x3ae\n[ 107.319840] ra : pmu_sbi_ovf_handler+0x52/0x3ae\n[ 107.319868] epc : ffffffff80a0a77c ra : ffffffff80a0a42a sp : ffffaf83fecda350\n[ 107.319884] gp : ffffffff823961a8 tp : ffffaf8083db1dc0 t0 : ffffaf83fecda480\n[ 107.319899] t1 : ffffffff80cafe62 t2 : 000000000000ff00 s0 : ffffaf83fecda520\n[ 107.319921] s1 : ffffaf83fecda380 a0 : 00000018fca29df0 a1 : ffffffffffffffff\n[ 107.319936] a2 : 0000000001073734 a3 : 0000000000000004 a4 : 0000000000000000\n[ 107.319951] a5 : 0000000000000040 a6 : 000000001d1c8774 a7 : 0000000000504d55\n[ 107.319965] s2 : ffffffff82451f10 s3 : ffffffff82724e70 s4 : 000000000000003f\n[ 107.319980] s5 : 0000000000000011 s6 : ffffaf8083db27c0 s7 : 0000000000000000\n[ 107.319995] s8 : 0000000000000001 s9 : 00007fffb45d6558 s10: 00007fffb45d81a0\n[ 107.320009] s11: ffffaf7ffff60000 t3 : 0000000000000004 t4 : 0000000000000000\n[ 107.320023] t5 : ffffaf7f80000000 t6 : ffffaf8000000000\n[ 107.320037] status: 0000000200000100 badaddr: 0000000000000000 cause: 0000000000000003\n[ 107.320081] [<ffffffff80a0a77c>] pmu_sbi_ovf_handler+0x3a4/0x3ae\n[ 107.320112] [<ffffffff800b42d0>] handle_percpu_devid_irq+0x9e/0x1a0\n[ 107.320131] [<ffffffff800ad92c>] generic_handle_domain_irq+0x28/0x36\n[ 107.320148] [<ffffffff8065f9f8>] riscv_intc_irq+0x36/0x4e\n[ 107.320166] [<ffffffff80caf4a0>] handle_riscv_irq+0x54/0x86\n[ 107.320189] [<ffffffff80cb0036>] do_irq+0x64/0x96\n[ 107.320271] Code: 85a6 855e b097 ff7f 80e7 9220 b709 9002 4501 bbd9 (9002) 6097\n[ 107.320585] ---[ end trace 0000000000000000 ]---\n[ 107.320704] Kernel panic - not syncing: Fatal exception in interrupt\n[ 107.320775] SMP: stopping secondary CPUs\n[ 107.321219] Kernel Offset: 0x0 from 0xffffffff80000000\n[ 107.333051] ---[ end Kernel panic - not syncing: Fatal exception in interrupt ]---", id: "GHSA-3r4r-jmwh-rccm", modified: "2024-05-21T18:31:21Z", published: "2024-05-21T18:31:21Z", references: [ { type: "ADVISORY", url: "https://nvd.nist.gov/vuln/detail/CVE-2023-52797", }, { type: "WEB", url: "https://git.kernel.org/stable/c/2c86b24095fcf72cf51bc72d12e4350163b4e11d", }, { type: "WEB", url: "https://git.kernel.org/stable/c/45a0de41ec383c8b7c6d442734ba3852dd2fc4a7", }, { type: "WEB", url: "https://git.kernel.org/stable/c/c6e316ac05532febb0c966fa9b55f5258ed037be", }, ], schema_version: "1.4.0", severity: [], }
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