CVE-2026-93222

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Source
https://cve.org/CVERecord?id=CVE-2026-93222
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-93222.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-93222
Downstream
Related
Published
2026-09-24T15:21:04Z
Modified
2026-10-08T02:52:33Z
Summary
signal: avoid shared siginfo namespace rewrites
Details

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.

Database specific 
{
    "cna_assigner":  "Linux",
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93222.json"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
7a0cf094944e2540758b7f957eb6846d5126f535
Fixed
e015d1ac6b43a23c52c5163299414ae77d7d4ae0
Fixed
4ee7c4e4719a825052f42f02ec159b5b42b68fbc
Fixed
148b0dae2a1755beb873a2aab51fb191414f068c
Fixed
6b1de022304ef85284c5933a5fb8492f6f54efc9
Fixed
03c8761e75d1619906bb503686f9cc1dfc6a67f4
Fixed
a246da20c8e4ae4319511c698b9f26ad0ad1769f
Fixed
b655c2040ce836afad5643842543567b31f8c11d
Fixed
d19cdc167e696714509e87d3f7ae765b6e164589
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
5.1.20
Fixed
5.2
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
5.2.3
Fixed
5.3
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
e897dd22800f02bd48aefb1511fff0b2ce96e94c
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
2f0e9eed11ca778d0ec5507a739c28472fd4ca20

Affected versions

v5.*
v5.1.20
v5.1.21
v5.2.10
v5.2.11
v5.2.12
v5.2.13
v5.2.14
v5.2.15
v5.2.16
v5.2.17
v5.2.18
v5.2.19
v5.2.20
v5.2.21
v5.2.3
v5.2.4
v5.2.5
v5.2.6
v5.2.7
v5.2.8
v5.2.9

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-93222.json"

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
5.3.0
Fixed
5.10.270
Type
ECOSYSTEM
Events
Introduced
5.11.0
Fixed
5.15.221
Type
ECOSYSTEM
Events
Introduced
5.16.0
Fixed
6.1.188
Type
ECOSYSTEM
Events
Introduced
6.2.0
Fixed
6.6.157
Type
ECOSYSTEM
Events
Introduced
6.7.0
Fixed
6.12.109
Type
ECOSYSTEM
Events
Introduced
6.13.0
Fixed
6.18.50
Type
ECOSYSTEM
Events
Introduced
6.19.0
Fixed
7.2.4

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-93222.json"