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Important: kernel security update

In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: avoid in-place decrypt on shared skb frags MSG_SPLICE_PAGES can attach pages from a pipe directly to an skb. TCP marks such skbs with SKBFL_SHARED_FRAG after skb_splice_from_iter(), so later paths that may modify packet data can first make a private copy. The IPv4/IPv6 datagram append paths did not set this flag when splicing pages into UDP skbs. That leaves an ESP-in-UDP packet made from shared pipe pages looking like an ordinary uncloned nonlinear skb. ESP input then takes the no-COW fast path for uncloned skbs without a frag_list and decrypts in place over data that is not owned privately by the skb. Mark IPv4/IPv6 datagram splice frags with SKBFL_SHARED_FRAG, matching TCP. Also make ESP input fall back to skb_cow_data() when the flag is present, so ESP does not decrypt externally backed frags in place. Private nonlinear skb frags still use the existing fast path. This intentionally does not chang...

ELSA-2026-50258: Unbreakable Enterprise kernel security update (IMPORTANT)

ELSA-2026-50257: Unbreakable Enterprise kernel security update (IMPORTANT)

ELSA-2026-16206: kernel security update (IMPORTANT)

ELSA-2026-16195: kernel security update (IMPORTANT)

ELSA-2026-16062: kernel security update (IMPORTANT)

Уязвимость компонента xfrm ядра операционной системы Linux, позволяющая нарушителю повысить свои привилегии до уровня root

Уязвимость kernel-lt

Уязвимость kernel-lt

Уязвимость kernel-lt

Уязвимость kernel-lt

ALT-PU-2026-7466: package `kernel-image-rt` update to version 5.10.255-alt1.rt151

Security update for the Linux Kernel

ELSA-2026-19225: kernel security update (IMPORTANT)

ELSA-2026-19074: kernel security update (IMPORTANT)

ELSA-2026-50275: Unbreakable Enterprise kernel security update (IMPORTANT)

ELSA-2026-50294: Unbreakable Enterprise kernel security update (IMPORTANT)

ELSA-2026-50299: Unbreakable Enterprise kernel security update (IMPORTANT)

ALT-PU-2026-7515: package `kernel-image-6.18` update to version 6.18.29-alt1