Description (CNA)
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 (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 7a0cf094944e2540758b7f957eb6846d5126f535 before e015d1ac6b43a23c52c5163299414ae77d7d4ae0; affected 7a0cf094944e2540758b7f957eb6846d5126f535 before 4ee7c4e4719a825052f42f02ec159b5b42b68fbc; affected 7a0cf094944e2540758b7f957eb6846d5126f535 before 148b0dae2a1755beb873a2aab51fb191414f068c; affected 7a0cf094944e2540758b7f957eb6846d5126f535 before 6b1de022304ef85284c5933a5fb8492f6f54efc9; affected 7a0cf094944e2540758b7f957eb6846d5126f535 before 03c8761e75d1619906bb503686f9cc1dfc6a67f4; affected 7a0cf094944e2540758b7f957eb6846d5126f535 before a246da20c8e4ae4319511c698b9f26ad0ad1769f; affected 7a0cf094944e2540758b7f957eb6846d5126f535 before b655c2040ce836afad5643842543567b31f8c11d; affected 7a0cf094944e2540758b7f957eb6846d5126f535 before d19cdc167e696714509e87d3f7ae765b6e164589; affected e897dd22800f02bd48aefb1511fff0b2ce96e94c; affected 2f0e9eed11ca778d0ec5507a739c28472fd4ca20; affected 5.1.20 before 5.2; affected 5.2.3 before 5.3 |
| Linux / Linux | affected 5.3; unaffected 0 before 5.3; unaffected 5.10.270 through 5.10.*; unaffected 5.15.221 through 5.15.*; unaffected 6.1.188 through 6.1.*; unaffected 6.6.157 through 6.6.*; unaffected 6.12.109 through 6.12.*; unaffected 6.18.50 through 6.18.*; unaffected 7.2.4 through 7.2.*; unaffected 7.3 through * |
CWE
No CWE identifiers supplied.
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