CVE-2026-93222
signal: avoid shared siginfo namespace rewrites
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Sep 24, 2026 |
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Affected Versions
Linux / Linux
7a0cf094944e2540758b7f957eb6846d5126f535 < e015d1ac6b43a23c52c5163299414ae77d7d4ae0 7a0cf094944e2540758b7f957eb6846d5126f535 < 4ee7c4e4719a825052f42f02ec159b5b42b68fbc 7a0cf094944e2540758b7f957eb6846d5126f535 < 148b0dae2a1755beb873a2aab51fb191414f068c 7a0cf094944e2540758b7f957eb6846d5126f535 < 6b1de022304ef85284c5933a5fb8492f6f54efc9 7a0cf094944e2540758b7f957eb6846d5126f535 < 03c8761e75d1619906bb503686f9cc1dfc6a67f4 7a0cf094944e2540758b7f957eb6846d5126f535 < a246da20c8e4ae4319511c698b9f26ad0ad1769f 7a0cf094944e2540758b7f957eb6846d5126f535 < b655c2040ce836afad5643842543567b31f8c11d 7a0cf094944e2540758b7f957eb6846d5126f535 < d19cdc167e696714509e87d3f7ae765b6e164589 e897dd22800f02bd48aefb1511fff0b2ce96e94c 2f0e9eed11ca778d0ec5507a739c28472fd4ca20 5.1.20 < 5.2 5.2.3 < 5.3
Linux / Linux
5.3
References
git.kernel.org: https://git.kernel.org/stable/c/e015d1ac6b43a23c52c5163299414ae77d7d4ae0 git.kernel.org: https://git.kernel.org/stable/c/4ee7c4e4719a825052f42f02ec159b5b42b68fbc git.kernel.org: https://git.kernel.org/stable/c/148b0dae2a1755beb873a2aab51fb191414f068c git.kernel.org: https://git.kernel.org/stable/c/6b1de022304ef85284c5933a5fb8492f6f54efc9 git.kernel.org: https://git.kernel.org/stable/c/03c8761e75d1619906bb503686f9cc1dfc6a67f4 git.kernel.org: https://git.kernel.org/stable/c/a246da20c8e4ae4319511c698b9f26ad0ad1769f git.kernel.org: https://git.kernel.org/stable/c/b655c2040ce836afad5643842543567b31f8c11d git.kernel.org: https://git.kernel.org/stable/c/d19cdc167e696714509e87d3f7ae765b6e164589