Answer in brief
CVE-2026-93222 records a Unknown severity vulnerability in signal: avoid shared siginfo namespace rewrites. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=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 | e015d1ac6b43a23c52c5163299414ae77d7d4ae0, 4ee7c4e4719a825052f42f02ec159b5b42b68fbc, 148b0dae2a1755beb873a2aab51fb191414f068c, 6b1de022304ef85284c5933a5fb8492f6f54efc9, 03c8761e75d1619906bb503686f9cc1dfc6a67f4, a246da20c8e4ae4319511c698b9f26ad0ad1769f, b655c2040ce836afad5643842543567b31f8c11d, d19cdc167e696714509e87d3f7ae765b6e164589, 5.2, 5.3 |
| Linux/Linuxgeneric | 5.3 | Not reported |
Published upstream
Sep 24, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Sep 24, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Sep 25, 2026
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.
Quoted source text, attributed separately from HOL analysis.