Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: In the net:sock section, the issue of a “hardened usercopy panic” in sockrecverrqueue has been fixed. The skbufffclonecache structure was created without defining a usercopy region. Unlike the skbuffheadcache, which properly...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-007042)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007042 advisory. In the Linux kernel, the following vulnerability has been resolved: net: sock: fix hardened usercopy panic in sockrecverrqueue skbufffclonecache was created without...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006735)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006735 advisory. In the Linux kernel, the following vulnerability has been resolved: net: sock: fix hardened usercopy panic in sockrecverrqueue skbufffclonecache was created without...

CVE-2026-22977

In the Linux kernel, the following vulnerability has been resolved: net: sock: fix hardened usercopy panic in sockrecverrqueue skbufffclonecache was created without defining a usercopy region, 1 unlike skbuffheadcache which properly whitelists the cb field. 2 This causes a usercopy BUG when...

AZL-78449 CVE-2026-22977 affecting package kernel for versions less than 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: net: sock: fix hardened usercopy panic in sockrecverrqueue skbufffclonecache was created without defining a usercopy region, 1 unlike skbuffheadcache which properly whitelists the cb field. 2 This causes a usercopy BUG when...

UBUNTU-CVE-2026-22977

In the Linux kernel, the following vulnerability has been resolved: net: sock: fix hardened usercopy panic in sockrecverrqueue skbufffclonecache was created without defining a usercopy region, 1 unlike skbuffheadcache which properly whitelists the cb field. 2 This causes a usercopy BUG when...

CVE-2026-22977

In the Linux kernel, the following vulnerability has been resolved: net: sock: fix hardened usercopy panic in sockrecverrqueue skbufffclonecache was created without defining a usercopy region, 1 unlike skbuffheadcache which properly whitelists the cb field. 2 This causes a usercopy BUG when...

CVE-2026-22977 net: sock: fix hardened usercopy panic in sock_recv_errqueue

In the Linux kernel, the following vulnerability has been resolved: net: sock: fix hardened usercopy panic in sockrecverrqueue skbufffclonecache was created without defining a usercopy region, 1 unlike skbuffheadcache which properly whitelists the cb field. 2 This causes a usercopy BUG when...

CVE-2026-22977

CVE-2026-22977 affects the Linux kernel net: sock: fix hardened usercopy panic in sock_recv_errqueue. The issue arises when using skbuff_fclone_cache where no usercopy whitelist exists for skb.cb, causing a usercopy BUG() during put_cmsg() when copying serr->ee from skb->cb via sock_recv_er...

CVE-2026-22977 net: sock: fix hardened usercopy panic in sock_recv_errqueue

In the Linux kernel, the following vulnerability has been resolved: net: sock: fix hardened usercopy panic in sockrecverrqueue skbufffclonecache was created without defining a usercopy region, 1 unlike skbuffheadcache which properly whitelists the cb field. 2 This causes a usercopy BUG when...