Unrated
signal: avoid shared siginfo namespace rewrites
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.
Announced Group revision 1
Original source ↗CVE-2026-93222
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-93222
Linux
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Linux
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "7a0cf094944e2540758b7f957eb6846d5126f535",
"lessThan": "e015d1ac6b43a23c52c5163299414ae77d7d4ae0",
"versionType": "git"
},
{
"status": "affected",
"version": "7a0cf094944e2540758b7f957eb6846d5126f535",
"lessThan": "4ee7c4e4719a825052f42f02ec159b5b42b68fbc",
"versionType": "git"
},
{
"status": "affected",
"version": "7a0cf094944e2540758b7f957eb6846d5126f535",
"lessThan": "148b0dae2a1755beb873a2aab51fb191414f068c",
"versionType": "git"
},
{
"status": "affected",
"version": "7a0cf094944e2540758b7f957eb6846d5126f535",
"lessThan": "6b1de022304ef85284c5933a5fb8492f6f54efc9",
"versionType": "git"
},
{
"status": "affected",
"version": "7a0cf094944e2540758b7f957eb6846d5126f535",
"lessThan": "03c8761e75d1619906bb503686f9cc1dfc6a67f4",
"versionType": "git"
},
{
"status": "affected",
"version": "7a0cf094944e2540758b7f957eb6846d5126f535",
"lessThan": "a246da20c8e4ae4319511c698b9f26ad0ad1769f",
"versionType": "git"
},
{
"status": "affected",
"version": "7a0cf094944e2540758b7f957eb6846d5126f535",
"lessThan": "b655c2040ce836afad5643842543567b31f8c11d",
"versionType": "git"
},
{
"status": "affected",
"version": "7a0cf094944e2540758b7f957eb6846d5126f535",
"lessThan": "d19cdc167e696714509e87d3f7ae765b6e164589",
"versionType": "git"
},
{
"status": "affected",
"version": "e897dd22800f02bd48aefb1511fff0b2ce96e94c",
"versionType": "git"
},
{
"status": "affected",
"version": "2f0e9eed11ca778d0ec5507a739c28472fd4ca20",
"versionType": "git"
},
{
"status": "affected",
"version": "5.1.20",
"lessThan": "5.2",
"versionType": "semver"
},
{
"status": "affected",
"version": "5.2.3",
"lessThan": "5.3",
"versionType": "semver"
}
],
"programFiles": [
"kernel/signal.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "5.3"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "5.3",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "5.10.270",
"versionType": "semver",
"lessThanOrEqual": "5.10.*"
},
{
"status": "unaffected",
"version": "5.15.221",
"versionType": "semver",
"lessThanOrEqual": "5.15.*"
},
{
"status": "unaffected",
"version": "6.1.188",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.6.157",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.109",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.50",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.2.4",
"versionType": "semver",
"lessThanOrEqual": "7.2.*"
},
{
"status": "unaffected",
"version": "7.3",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"kernel/signal.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-93222
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #37925 · Revision 1
- Added to Heist Feed
- Publisher date