CVE-2026-93222
N/A
N/A
Summary
In the Linux kernel, the following vulnerability has been resolved:
signal: avoid shared siginfo namespace rewrites
send_signal_locked() rewrites sender ids for the target namespace. Group sends reuse the same siginfo, so one recipient can affect the next.
Copy the siginfo before changing it.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 7a0cf094944e2540758b7f957eb6846d5126f535 < e015d1ac6b43a23c52c5163299414ae77d7d4ae0 | affected |
| Linux | Linux | 7a0cf094944e2540758b7f957eb6846d5126f535 < 4ee7c4e4719a825052f42f02ec159b5b42b68fbc | affected |
| Linux | Linux | 7a0cf094944e2540758b7f957eb6846d5126f535 < 148b0dae2a1755beb873a2aab51fb191414f068c | affected |
| Linux | Linux | 7a0cf094944e2540758b7f957eb6846d5126f535 < 6b1de022304ef85284c5933a5fb8492f6f54efc9 | affected |
| Linux | Linux | 7a0cf094944e2540758b7f957eb6846d5126f535 < 03c8761e75d1619906bb503686f9cc1dfc6a67f4 | affected |
| Linux | Linux | 7a0cf094944e2540758b7f957eb6846d5126f535 < a246da20c8e4ae4319511c698b9f26ad0ad1769f | affected |
| Linux | Linux | 7a0cf094944e2540758b7f957eb6846d5126f535 < b655c2040ce836afad5643842543567b31f8c11d | affected |
| Linux | Linux | 7a0cf094944e2540758b7f957eb6846d5126f535 < d19cdc167e696714509e87d3f7ae765b6e164589 | affected |
| Linux | Linux | e897dd22800f02bd48aefb1511fff0b2ce96e94c | affected |
| Linux | Linux | 2f0e9eed11ca778d0ec5507a739c28472fd4ca20 | affected |
| Linux | Linux | 5.1.20 < 5.2 | affected |
| Linux | Linux | 5.2.3 < 5.3 | affected |
| Linux | Linux | 5.3 | affected |
| Linux | Linux | 0 < 5.3 | unaffected |
| Linux | Linux | 5.10.270 <= 5.10.* | unaffected |
| Linux | Linux | 5.15.221 <= 5.15.* | unaffected |
| Linux | Linux | 6.1.188 <= 6.1.* | unaffected |
| Linux | Linux | 6.6.157 <= 6.6.* | unaffected |
| Linux | Linux | 6.12.109 <= 6.12.* | unaffected |
| Linux | Linux | 6.18.50 <= 6.18.* | unaffected |
| Linux | Linux | 7.2.4 <= 7.2.* | unaffected |
| Linux | Linux | 7.3-rc1 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/e015d1ac6b43a23c52c5163299414ae77d7d4ae0
- https://git.kernel.org/stable/c/4ee7c4e4719a825052f42f02ec159b5b42b68fbc
- https://git.kernel.org/stable/c/148b0dae2a1755beb873a2aab51fb191414f068c
- https://git.kernel.org/stable/c/6b1de022304ef85284c5933a5fb8492f6f54efc9
- https://git.kernel.org/stable/c/03c8761e75d1619906bb503686f9cc1dfc6a67f4
- https://git.kernel.org/stable/c/a246da20c8e4ae4319511c698b9f26ad0ad1769f
- https://git.kernel.org/stable/c/b655c2040ce836afad5643842543567b31f8c11d
- https://git.kernel.org/stable/c/d19cdc167e696714509e87d3f7ae765b6e164589
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