DEBIAN-CVE-2022-49765

In the Linux kernel, the following vulnerability has been resolved: net/9p: use a dedicated spinlock for transfd Shamelessly copying the explanation from Tetsuo Handa's suggested patch1 slightly reworded: syzbot is reporting inconsistent lock state in p9reqput2, for p9tagremove from p9reqput from...

UBUNTU-CVE-2022-49767

In the Linux kernel, the following vulnerability has been resolved: 9p/transfd: always use ONONBLOCK read/write syzbot is reporting hung task at p9fdclose 1, for p9muxpollstop from p9conndestroy from p9fdclose is failing to interrupt already started kernelread from p9fdread from p9readwork and/or...

UBUNTU-CVE-2022-49765

In the Linux kernel, the following vulnerability has been resolved: net/9p: use a dedicated spinlock for transfd Shamelessly copying the explanation from Tetsuo Handa's suggested patch1 slightly reworded: syzbot is reporting inconsistent lock state in p9reqput2, for p9tagremove from p9reqput from...

UBUNTU-CVE-2022-49768

In the Linux kernel, the following vulnerability has been resolved: 9p: transfd/p9conncancel: drop client lock earlier syzbot reported a double-lock here and we no longer need this lock after requests have been moved off to local list: just drop the lock earlier...

UBUNTU-CVE-2025-37779

In the Linux kernel, the following vulnerability has been resolved: lib/ioviter: fix to increase non slab folio refcount When testing EROFS file-backed mount over v9fs on qemu, I encountered a folio UAF issue. The page sanity check reports the following call trace. The root cause is that pages in...

CVE-2025-37779 lib/iov_iter: fix to increase non slab folio refcount

In the Linux kernel, the following vulnerability has been resolved: lib/ioviter: fix to increase non slab folio refcount When testing EROFS file-backed mount over v9fs on qemu, I encountered a folio UAF issue. The page sanity check reports the following call trace. The root cause is that pages in...

The vulnerability of the xen_9pfs_front_free() function in the net/9p/trans_xen.c module of the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the xen9pfsfrontfree function in the net/9p/transxen.c module of the Linux operating system is related to the repeated release of previously released memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility ...

SUSE CVE-2025-22070

In the Linux kernel, the following vulnerability has been resolved: fs/9p: fix NULL pointer dereference on mkdir When a 9p tree was mounted with option 'posixacl', parent directory had a default ACL set for its subdirectories, e.g.: setfacl -m default:group:simpsons:rwx parentdir then creating a...

AZL-61700 CVE-2025-22070 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: fs/9p: fix NULL pointer dereference on mkdir When a 9p tree was mounted with option 'posixacl', parent directory had a default ACL set for its subdirectories, e.g.: setfacl -m default:group:simpsons:rwx parentdir then creating a...

DEBIAN-CVE-2025-22070

In the Linux kernel, the following vulnerability has been resolved: fs/9p: fix NULL pointer dereference on mkdir When a 9p tree was mounted with option 'posixacl', parent directory had a default ACL set for its subdirectories, e.g.: setfacl -m default:group:simpsons:rwx parentdir then creating a...

UBUNTU-CVE-2025-22070

In the Linux kernel, the following vulnerability has been resolved: fs/9p: fix NULL pointer dereference on mkdir When a 9p tree was mounted with option 'posixacl', parent directory had a default ACL set for its subdirectories, e.g.: setfacl -m default:group:simpsons:rwx parentdir then creating a...

CVE-2025-22070 fs/9p: fix NULL pointer dereference on mkdir

In the Linux kernel, the following vulnerability has been resolved: fs/9p: fix NULL pointer dereference on mkdir When a 9p tree was mounted with option 'posixacl', parent directory had a default ACL set for its subdirectories, e.g.: setfacl -m default:group:simpsons:rwx parentdir then creating a...

PT-2025-20531

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue concerns the Linux kernel's handling of read/write replies in the 9p/net module. Specifically, in p9 client write and p9 client read once, if a server incorrectly replies with ...

USN-7332-2 linux-kvm vulnerabilities

Attila Szász discovered that the HFS+ file system implementation in the Linux Kernel contained a heap overflow vulnerability. An attacker could use a specially crafted file system image that, when mounted, could cause a denial of service system crash or possibly execute arbitrary code...

USN-7333-1 linux vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Media drivers; - Direct Digital Synthesis drivers; - TTY drivers; - 9P distributed file system; - ALSA framework;...

USN-7332-1 linux, linux-aws vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - PowerPC architecture; - Block layer subsystem; - GPIO subsystem; - GPU drivers; - Media drivers; - Network drivers;...

SUSE CVE-2022-49704

In the Linux kernel, the following vulnerability has been resolved: 9p: fix fid refcount leak in v9fsvfsgetlink we check for protocol version later than required, after a fid has been obtained. Just move the version check earlier...

SUSE CVE-2022-49705

In the Linux kernel, the following vulnerability has been resolved: 9p: fix fid refcount leak in v9fsvfsatomicopendotl We need to release directory fid if we fail halfway through open This fixes fid leaking with xfstests generic 531...

DEBIAN-CVE-2022-49704

In the Linux kernel, the following vulnerability has been resolved: 9p: fix fid refcount leak in v9fsvfsgetlink we check for protocol version later than required, after a fid has been obtained. Just move the version check earlier...

DEBIAN-CVE-2022-49705

In the Linux kernel, the following vulnerability has been resolved: 9p: fix fid refcount leak in v9fsvfsatomicopendotl We need to release directory fid if we fail halfway through open This fixes fid leaking with xfstests generic 531...