CVE-2026-93222
Unknown
Description
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.
SeverityUnknown
CVSS—
Exploit probability—
Product
Linux
PublishedSep 24, 2026
First seenSep 24, 2026
How to fix
Update
- Linux Linuxe015d1ac6b43a23c52c5163299414ae77d7d4ae0, 4ee7c4e4719a825052f42f02ec159b5b42b68fbc, 148b0dae2a1755beb873a2aab51fb191414f068c, 6b1de022304ef85284c5933a5fb8492f6f54efc9, 03c8761e75d1619906bb503686f9cc1dfc6a67f4, a246da20c8e4ae4319511c698b9f26ad0ad1769f, b655c2040ce836afad5643842543567b31f8c11d, d19cdc167e696714509e87d3f7ae765b6e164589, 5.2, 5.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 7a0cf094944e2540758b7f957eb6846d5126f535 ≤ v < e015d1ac6b43a23c52c5163299414ae77d7d4ae0, 7a0cf094944e2540758b7f957eb6846d5126f535 ≤ v < 4ee7c4e4719a825052f42f02ec159b5b42b68fbc, 7a0cf094944e2540758b7f957eb6846d5126f535 ≤ v < 148b0dae2a1755beb873a2aab51fb191414f068c, 7a0cf094944e2540758b7f957eb6846d5126f535 ≤ v < 6b1de022304ef85284c5933a5fb8492f6f54efc9, 7a0cf094944e2540758b7f957eb6846d5126f535 ≤ v < 03c8761e75d1619906bb503686f9cc1dfc6a67f4, 7a0cf094944e2540758b7f957eb6846d5126f535 ≤ v < a246da20c8e4ae4319511c698b9f26ad0ad1769f, 7a0cf094944e2540758b7f957eb6846d5126f535 ≤ v < b655c2040ce836afad5643842543567b31f8c11d, 7a0cf094944e2540758b7f957eb6846d5126f535 ≤ v < d19cdc167e696714509e87d3f7ae765b6e164589, e897dd22800f02bd48aefb1511fff0b2ce96e94c, 2f0e9eed11ca778d0ec5507a739c28472fd4ca20, 5.1.20 ≤ v < 5.2, 5.2.3 ≤ v < 5.3, 5.3 | e015d1ac6b43a23c52c5163299414ae77d7d4ae0, 4ee7c4e4719a825052f42f02ec159b5b42b68fbc, 148b0dae2a1755beb873a2aab51fb191414f068c, 6b1de022304ef85284c5933a5fb8492f6f54efc9, 03c8761e75d1619906bb503686f9cc1dfc6a67f4, a246da20c8e4ae4319511c698b9f26ad0ad1769f, b655c2040ce836afad5643842543567b31f8c11d, d19cdc167e696714509e87d3f7ae765b6e164589, 5.2, 5.3 |
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