Red Hat Security Advisory

RHSA-2026:83796

kernel security update

Released 2026-10-16 · Red Hat rating Important · View on Red Hat →

Fixed in

Red Hat Enterprise Linux Server -EXTENSION(v. 6 ELS-EXTENSION) kernel-2.6.32-754.65.1.el6, kernel-abi-whitelists-2.6.32-754.65.1.el6, kernel-debug-2.6.32-754.65.1.el6 +7
Red Hat Enterprise Linux Server Optional -EXTENSION (v. 6 ELS -EXTENSION) python-perf-2.6.32-754.65.1.el6

Fixes 3 records

TI-2026-45489 CVE-2026-63924 · GHSA-4j34-532j-f693

ipv6: exthdrs: refresh nh pointer after ipv6_hop_jumbo()

MEDIUM 50

In the Linux kernel, the following vulnerability has been resolved: ipv6: exthdrs: refresh nh pointer after ipv6_hop_jumbo() ipv6_hop_jumbo() calls pskb_trim_rcsum(), which can change skb pointers.

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00714 Published 2026-07-19 Partial fix · 5.10.259, 5.15.210 +6 CWE-822

TI-2026-45487 CVE-2026-63922 · GHSA-5w2v-4j6c-44h8

ipv6: exthdrs: refresh nh after handling HAO option

MEDIUM 50

In the Linux kernel, the following vulnerability has been resolved: ipv6: exthdrs: refresh nh after handling HAO option ip6_parse_tlv() caches skb_network_header(skb) in nh while walking IPv6 TLVs.

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00714 Published 2026-07-19 Partial fix · 5.10.259, 5.15.210 +6 CWE-416

TI-2026-23969 CVE-2026-31411 · GHSA-9q92-j4jr-j3jp

net: atm: fix crash due to unvalidated vcc pointer in sigd_send()

LOW 24

In the Linux kernel, the following vulnerability has been resolved: net: atm: fix crash due to unvalidated vcc pointer in sigd_send() Reproducer available at [1].

CVSS 3.1MEDIUM 5.5 Local Low privileges No interaction EPSS 0.00133 Published 2026-04-08 Partial fix · 5.10.252, 5.15.202 +6 CWE-476