CVE-2026-93222 (GCVE-0-2026-93222)

Vulnerability from cvelistv5 – Published: 2026-09-24 15:21 – Updated: 2026-09-24 15:21
VLAI
Title
signal: avoid shared siginfo namespace rewrites
Summary
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.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 7a0cf094944e2540758b7f957eb6846d5126f535 , < e015d1ac6b43a23c52c5163299414ae77d7d4ae0 (git)
Affected: 7a0cf094944e2540758b7f957eb6846d5126f535 , < 4ee7c4e4719a825052f42f02ec159b5b42b68fbc (git)
Affected: 7a0cf094944e2540758b7f957eb6846d5126f535 , < 148b0dae2a1755beb873a2aab51fb191414f068c (git)
Affected: 7a0cf094944e2540758b7f957eb6846d5126f535 , < 6b1de022304ef85284c5933a5fb8492f6f54efc9 (git)
Affected: 7a0cf094944e2540758b7f957eb6846d5126f535 , < 03c8761e75d1619906bb503686f9cc1dfc6a67f4 (git)
Affected: 7a0cf094944e2540758b7f957eb6846d5126f535 , < a246da20c8e4ae4319511c698b9f26ad0ad1769f (git)
Affected: 7a0cf094944e2540758b7f957eb6846d5126f535 , < b655c2040ce836afad5643842543567b31f8c11d (git)
Affected: 7a0cf094944e2540758b7f957eb6846d5126f535 , < d19cdc167e696714509e87d3f7ae765b6e164589 (git)
Affected: e897dd22800f02bd48aefb1511fff0b2ce96e94c (git)
Affected: 2f0e9eed11ca778d0ec5507a739c28472fd4ca20 (git)
Affected: 5.1.20 , < 5.2 (semver)
Affected: 5.2.3 , < 5.3 (semver)
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Linux Linux Affected: 5.3
Unaffected: 0 , < 5.3 (semver)
Unaffected: 5.10.270 , ≤ 5.10.* (semver)
Unaffected: 5.15.221 , ≤ 5.15.* (semver)
Unaffected: 6.1.188 , ≤ 6.1.* (semver)
Unaffected: 6.6.157 , ≤ 6.6.* (semver)
Unaffected: 6.12.109 , ≤ 6.12.* (semver)
Unaffected: 6.18.50 , ≤ 6.18.* (semver)
Unaffected: 7.2.4 , ≤ 7.2.* (semver)
Unaffected: 7.3-rc1 , ≤ * (original_commit_for_fix)
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        "vulnStatus": "Received"
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    "suse_vex": {
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      "current_release_date": "2026-09-25T23:50:31Z",
      "cve": "CVE-2026-93222",
      "id": "CVE-2026-93222",
      "initial_release_date": "2026-09-24T23:49:44Z",
      "product_status:known_affected": "341",
      "product_status:known_not_affected": "6",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-93222",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-93222.json",
      "version": "3"
    }
  }
}



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