Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ipv6: A BUG in pskbexpandhead, as part of calipsoskbuffsetattr. There exists a kernel oops caused by a BUGONnhead INTMAX i.e., intskbheadroomskb + lendelta skbheadroomskb is meant to ensure that delta = headroom - skbheadroomskb ...

The vulnerability of the calipso_skbuff_setattr() function in the net/ipv6/calipso.c module of the Linux operating system’s IPv6 kernel implementation allows a malicious actor to trigger a service failure remotely.

The vulnerability of the calipsoskbuffsetattr function in the net/ipv6/calipso.c module of the Linux operating system’s IPv6 kernel implementation is related to integer overflow or cyclic shift vulnerabilities. Exploiting this vulnerability could allow a remote attacker to cause a service failure...

RLSA-2026:3963 Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: ipv6: BUG in pskbexpandhead as part of calipsoskbuffsetattr CVE-2025-71085 kernel: macvlan: fix possible UAF in macvlanforwardsource CVE-2026-23001 For more details about the security...

kernel: ipv6: BUG() in pskb_expand_head() as part of calipso_skbuff_setattr()

In the Linux kernel, the following vulnerability has been resolved: ipv6: BUG in pskbexpandhead as part of calipsoskbuffsetattr There exists a kernel oops caused by a BUGONnhead INTMAX i.e. intskbheadroomskb + lendelta skbheadroomskb is meant to ensure that delta = headroom - skbheadroomskb is...

kernel: ipv6: BUG() in pskb_expand_head() as part of calipso_skbuff_setattr()

In the Linux kernel, the following vulnerability has been resolved: ipv6: BUG in pskbexpandhead as part of calipsoskbuffsetattr There exists a kernel oops caused by a BUGONnhead INTMAX i.e. intskbheadroomskb + lendelta skbheadroomskb is meant to ensure that delta = headroom - skbheadroomskb is...

CVE-2025-71085

In the Linux kernel, the following vulnerability has been resolved: ipv6: BUG in pskbexpandhead as part of calipsoskbuffsetattr There exists a kernel oops caused by a BUGONnhead INTMAX i.e. intskbheadroomskb + lendelta skbheadroomskb is meant to ensure that delta = headroom - skbheadroomskb is...