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CVE

CVE-2022-0185

A heap-based buffer overflow flaw was found in the way the legacy_parse_param function in the Filesystem Context functionality of the Linux kernel verified the supplied parameters length.
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CVE

CVE-2022-0185

A heap-based buffer overflow flaw was found in the way the legacy_parse_param function in the Filesystem Context functionality of the Linux kernel verified the supplied parameters length.

A heap-based buffer overflow flaw was found in the way the legacyparseparam function in the Filesystem Context functionality of the Linux kernel verified the supplied parameters length. An unprivileged (in case of unprivileged user namespaces enabled, otherwise needs namespaced CAPSYSADMIN privilege) local user able to open a filesystem that does not support the Filesystem Context API (and thus fallbacks to legacy handling) could use this flaw to escalate their privileges on the system.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
8.4
-
3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
C
H
U
0
-
3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
C
H
U
-

Related Resources

No items found.

References

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-0185, https://github.com/Crusaders-of-Rust/CVE-2022-0185, https://security.netapp.com/advisory/ntap-20220225-0003/, https://www.openwall.com/lists/oss-security/2022/01/18/7, https://www.willsroot.io/2022/01/cve-2022-0185.html, https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=722d94847de2, https://www.openwall.com/lists/oss-security/2022/01/18/7, https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=722d94847de2, https://www.openwall.com/lists/oss-security/2022/01/18/7, https://github.com/Crusaders-of-Rust/CVE-2022-0185, https://www.willsroot.io/2022/01/cve-2022-0185.html

Severity

8.4

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
8.4
EPSS Probability
0.0119%
EPSS Percentile
0.78504%
Introduced Version
0
Fix Available
722d94847de2,0:4.18.0-348.12.2.rt7.143.el8_5,0:4.18.0-348.12.2.el8_5,0:1-2.el8,0:1-1.el8_5,5.15.15-1,5.10.92-1,0:5.4.0-96.109~18.04.1,0:5.4.0-1063.66~18.04.1,0:5.4.0-1067.70~18.04.1,0:5.4.0-1062.66~18.04.1,0:5.4.0-1059.62~18.04.1,0:5.4.0-1031.32~18.04.1,0:5.4.0-1061.65~18.04.1,0:5.4.0-1050.56~18.04.1,0:5.4.0-1012.13~18.04.1,0:5.4.0-96.109,0:5.4.0-1053.55,0:5.4.0-1063.66,0:5.11.0-1027.30~20.04.1,0:5.4.0-1067.70,0:5.4.0-1025.28,0:5.4.0-1062.66,0:5.11.0-1028.32~20.04.1,0:5.4.0-1059.62,0:5.4.0-1031.32,0:5.4.0-1012.13,0:5.13.0-1010.10,0:5.4.0-1061.65,0:5.10.0-1057.61,0:5.13.0-1028.35,0:5.14.0-1020.22,0:5.4.0-1050.56,0:5.13.0-27.29~20.04.1,0:5.13.0-1011.12~20.04.1,0:5.13.0-1015.19~20.04.1,0:5.13.0-1012.15~20.04.1,0:5.13.0-1012.14~20.04.1,0:5.4.17-2136.302.7.2.1.el7,0:5.4.17-2136.304.4.1.el7uek,0:5.4.17-2136.302.7.2.1.el7uek,0:5.4.17-2136.304.4.1.el7,0:5.4.17-2136.302.7.2.1.el8,0:5.4.17-2136.304.4.1.el8uek,0:5.4.17-2136.302.7.2.1.el8uek,0:5.4.17-2136.304.4.1.el8,0:1.0-3.amzn2,0:5.4.172-90.336.amzn2,0:5.10.93-87.444.amzn2,0:1.0-0.amzn2,0:5.10.96-90.460.amzn2022,0:1.0-0.amzn2022,0:5.15.73-45.135.amzn2022,0:6.1.10-15.42.amzn2023,0:1.0-0.amzn2023

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