VulnerabilityAnalyzed

CVE-2022-27666

A heap buffer overflow flaw was found in IPsec ESP transformation code in net/ipv4/esp4.c and net/ipv6/esp6.c.

HIGH 7.8EPSS 5.52%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (5.52%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A heap buffer overflow flaw was found in IPsec ESP transformation code in net/ipv4/esp4.c and net/ipv6/esp6.c. This flaw allows a local attacker with a normal user privilege to overwrite kernel heap objects and may cause a local privilege escalation threat.

CVSS 3.1: 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 5.52% probability · 92th percentile
CISA KEV: Not listed
Weakness: CWE-787
Affected: linux/linux kernel · fedoraproject/fedora · redhat/virtualization · redhat/enterprise linux · netapp/h300s firmware · netapp/h500s firmware · netapp/h700s firmware · netapp/h300e firmware · netapp/h500e firmware · netapp/h700e firmware · netapp/h410s firmware · netapp/h410c firmware · debian/debian linux
Source: cve@mitre.org

References

https://bugzilla.redhat.com/show_bug.cgi?id=2061633Issue Tracking, Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/ebe48d368e97d007bfeb76fcb065d6cfc4c96645Patch, Third Party Advisory
https://security.netapp.com/advisory/ntap-20220429-0001/Third Party Advisory
https://www.debian.org/security/2022/dsa-5127Third Party Advisory
https://www.debian.org/security/2022/dsa-5173Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2061633Issue Tracking, Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/ebe48d368e97d007bfeb76fcb065d6cfc4c96645Patch, Third Party Advisory
https://security.netapp.com/advisory/ntap-20220429-0001/Third Party Advisory
https://www.debian.org/security/2022/dsa-5127Third Party Advisory
https://www.debian.org/security/2022/dsa-5173Third Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.