DEBIAN-CVE-2026-74723: linux security update

DEBIAN-CVE-2026-74723, released September 4, 2026, fixes 1 CVE in linux. None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

9.8

Base score, 0 to 10

Highest EPSS

0.0049

42nd percentile

Fixed package versions

Product	Release	Fixed in
linux	Debian 13.5 (trixie)	6.12.115-2
linux	Debian 14	7.1.9-1

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-74723	btrfs: lzo: reject inline extents without valid headers	9.8	0.0049	None reported

Also fixes CVE-2026-74723

OPENSUSE-SU-2026:21910-1
dtb-aarch64, kernel-64kb, kernel-azure and 10 more on opensuse-leap 16.0
SUSE-SU-2026:23902-1
kernel-64kb, kernel-azure, kernel-default and 7 more on sles 16.0
SUSE-SU-2026:4935-1
kernel-64kb, kernel-azure, kernel-default and 7 more on sles 15.7
SUSE-SU-2026:4940-1
kernel-livepatch-SLE15-SP7-RT_Update_22 on sles 15.7

Vendor advisory

https://security-tracker.debian.org/tracker/CVE-2026-74723

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