CVE-2021-22555

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Source
https://cve.org/CVERecord?id=CVE-2021-22555
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-22555.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-22555
Aliases
Downstream
Related
Published
2021-07-07T12:15:08.453Z
Modified
2026-02-05T11:28:47.433886Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

A heap out-of-bounds write affecting Linux since v2.6.19-rc1 was discovered in net/netfilter/x_tables.c. This allows an attacker to gain privileges or cause a DoS (via heap memory corruption) through user name space

References

Affected packages

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

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Events
Introduced
f40ddce88593482919761f74910f42f4b84c004b
Fixed
9f4ad9e425a1d3b6a34617b8ea226d56a119a717

Affected versions

v5.*
v5.11
v5.12-rc1
v5.12-rc1-dontuse
v5.12-rc2
v5.12-rc3
v5.12-rc4
v5.12-rc5
v5.12-rc6
v5.12-rc7
v5.12-rc8

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-22555.json"