DEBIAN-CVE-2026-43500: linux security update

DEBIAN-CVE-2026-43500, released May 15, 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

7.8

Base score, 0 to 10

Highest EPSS

0.9412

99th percentile

Fixed package versions

Product	Release	Fixed in
linux	Debian 12.15 (bookworm)	6.1.170-3
linux	Debian 13.5 (trixie)	6.12.86-1
linux	Debian 14	7.0.4-1

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-43500	rxrpc: Also unshare DATA/RESPONSE packets when paged frags are present	7.8	0.9412	None reported

Also fixes CVE-2026-43500

ALSA-2026:47017
kernel, kernel-64k, kernel-64k-core and 72 more on almalinux 10
ELSA-2026-50259
kernel-uek, kernel-uek-core, kernel-uek-debug and 32 more on ol 10, ol 9

Vendor advisory

https://security-tracker.debian.org/tracker/CVE-2026-43500

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