CVE-2026-80946

In the Linux kernel, the following vulnerability has been resolved: fuse: copy request headers via a stack buffer for io-uring The fuse-io-uring transport copies req-in.h out to the ring in fuseuringcopytoring and req-out.h back in fuseuringcommit. Both headers live inside the fuserequest slab...

CVE-2026-80946

This Linux kernel vulnerability affects the FUSE-io-uring transport. The fuse_request slab cache (fuse_req_cachep) is created without a usercopy whitelist , so directly copying req->in.h to the ring or req->out.h back from the ring trips CONFIG_HARDENED_USERCOPY , triggering a kernel panic ...

EUVD-2026-76269

In the Linux kernel, the following vulnerability has been resolved: fuse: copy request headers via a stack buffer for io-uring The fuse-io-uring transport copies req-in.h out to the ring in fuseuringcopytoring and req-out.h back in fuseuringcommit. Both headers live inside the fuserequest slab...

PT-2026-90076

In the Linux kernel, the following vulnerability has been resolved: fuse: copy request headers via a stack buffer for io-uring The fuse-io-uring transport copies req-in.h out to the ring in fuse uring copy to ring and req-out.h back in fuse uring commit. Both headers live inside the fuse request...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

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...

Siemens RUGGEDCOM RST2428P Active Debug Code (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...

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 20.1070e Security Update: kernel (UTSA-2026-013330)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013330 advisory. In the Linux kernel, the following vulnerability has been resolved: powerpc/rtasflash: allow user copy to flash block cache objects With hardened usercopy enabled...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007549)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007549 advisory. In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Whitelist dtl slub object for copying to userspace Reading the dispatch trace lo...

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 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

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...

EUVD-2026-3682

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...