Description (CNA)
In the Linux kernel, the following vulnerability has been resolved: riscv: stacktrace: Disable KASAN checks for non-current tasks Unwinding the stack of a task other than current, KASAN would report "BUG: KASAN: out-of-bounds in walk_stackframe+0x41c/0x460" There is a same issue on x86 and has been resolved by the commit 84936118bdf3 ("x86/unwind: Disable KASAN checks for non-current tasks") The solution could be applied to RISC-V too. This patch also can solve the issue: https://seclists.org/oss-sec/2025/q4/23 [pjw@kernel.org: clean up checkpatch issues]
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 5d8544e2d0075a5f3c9a2cf27152354d54360da1 before ef4d626ac59a56f8ec5cc09c1fef26f2923eec6f; affected 5d8544e2d0075a5f3c9a2cf27152354d54360da1 before f34ba22989da61186f30a40b6a82e0b3337b96fc; affected 5d8544e2d0075a5f3c9a2cf27152354d54360da1 before 27379fcc15a10d3e3780fe79ba3fc7ed1ccd78e2; affected 5d8544e2d0075a5f3c9a2cf27152354d54360da1 before 2c8d2b53866fb229b438296526ef0fa5a990e5e5; affected 5d8544e2d0075a5f3c9a2cf27152354d54360da1 before 060ea84a484e852b52b938f234bf9b5503a6c910 |
| Linux / Linux | affected 4.15; unaffected 0 before 4.15; unaffected 6.1.167 through 6.1.*; unaffected 6.6.117 through 6.6.*; unaffected 6.12.58 through 6.12.*; unaffected 6.17.8 through 6.17.*; unaffected 6.18 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/ef4d626ac59a56f8ec5cc09c1fef26f2923eec6f
- https://git.kernel.org/stable/c/f34ba22989da61186f30a40b6a82e0b3337b96fc
- https://git.kernel.org/stable/c/27379fcc15a10d3e3780fe79ba3fc7ed1ccd78e2
- https://git.kernel.org/stable/c/2c8d2b53866fb229b438296526ef0fa5a990e5e5
- https://git.kernel.org/stable/c/060ea84a484e852b52b938f234bf9b5503a6c910