DEBIAN-CVE-2025-21955

In the Linux kernel, the following vulnerability has been resolved: ksmbd: prevent connection release during oplock break notification ksmbdwork could be freed when after connection release. Increment rcount of ksmbdconn to indicate that requests are not finished yet and to not release the...

DEBIAN-CVE-2025-21944

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix bug on trap in smb2lock If lock count is greater than 1, flags could be old value. It should be checked with flags of smblock, not flags. It will cause bug-on trap from locksfreelock in error handling routine...

UBUNTU-CVE-2025-21944

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix bug on trap in smb2lock If lock count is greater than 1, flags could be old value. It should be checked with flags of smblock, not flags. It will cause bug-on trap from locksfreelock in error handling routine...

UBUNTU-CVE-2025-21959

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconncount: Fully initialize struct nfconncounttuple in inserttree Since commit b36e4523d4d5 "netfilter: nfconncount: fix garbage collection confirm race", cpu and jiffies32 were introduced to the struct...

UBUNTU-CVE-2025-21955

In the Linux kernel, the following vulnerability has been resolved: ksmbd: prevent connection release during oplock break notification ksmbdwork could be freed when after connection release. Increment rcount of ksmbdconn to indicate that requests are not finished yet and to not release the...

CVE-2025-21893

In the Linux kernel, the following vulnerability has been resolved: keys: Fix UAF in keyput Once a key's reference count has been reduced to 0, the garbage collector thread may destroy it at any time and so keyput is not allowed to touch the key after that point. The most keyput is normally allow...

CVE-2025-21893

CVE-2025-21893 concerns a use-after-free in the Linux kernel key handling. The issue arises when the key’s usage reaches 0 and the garbage collector may touch the key after it could have been freed. The fix changes the reclamation logic from inspecting the key’s refcount in the garbage collector ...

CVE-2025-21893 keys: Fix UAF in key_put()

In the Linux kernel, the following vulnerability has been resolved: keys: Fix UAF in keyput Once a key's reference count has been reduced to 0, the garbage collector thread may destroy it at any time and so keyput is not allowed to touch the key after that point. The most keyput is normally allow...

CVE-2025-21893 keys: Fix UAF in key_put()

In the Linux kernel, the following vulnerability has been resolved: keys: Fix UAF in keyput Once a key's reference count has been reduced to 0, the garbage collector thread may destroy it at any time and so keyput is not allowed to touch the key after that point. The most keyput is normally allow...

The vulnerability of the extent_write_locked_range() function in the file system of the Linux operating system’s kernel allows a hacker to cause a service failure.

The vulnerability of the extentwritelockedrange function in the file system of the Linux operating system’s kernel relates to improper memory release before deleting the last reference. Exploiting this vulnerability could allow an attacker to cause a service failure...

CVE-2022-49753

In the Linux kernel, the following vulnerability has been resolved: dmaengine: Fix double increment of clientcount in dmachanget The first time dmachanget is called for a channel the channel clientcount is incorrectly incremented twice for public channels, first in balancerefcount, and again prio...

CVE-2025-21886

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fix implicit ODP hang on parent deregistration Fix the destroyunusedimplicitchildmr to prevent hanging during parent deregistration as of below 1. Upon entering destroyunusedimplicitchildmr, the reference count for the...

OESA-2025-1336 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: drm/plane: Move range check for formatcount earlier While the check for formatcount 64 in drmuniversalplaneinit shouldn't be hit it's a WARNON, in its current...

PT-2025-16678

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability in the Linux kernel has been identified, specifically in the ksmbd component. The issue arises when accessing psid-sub authpsid-num subauth - 1 without checking if num...

SUSE CVE-2022-49753

In the Linux kernel, the following vulnerability has been resolved: dmaengine: Fix double increment of clientcount in dmachanget The first time dmachanget is called for a channel the channel clientcount is incorrectly incremented twice for public channels, first in balancerefcount, and again prio...

SUSE CVE-2025-21886

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fix implicit ODP hang on parent deregistration Fix the destroyunusedimplicitchildmr to prevent hanging during parent deregistration as of below 1. Upon entering destroyunusedimplicitchildmr, the reference count for the...

DEBIAN-CVE-2022-49753

In the Linux kernel, the following vulnerability has been resolved: dmaengine: Fix double increment of clientcount in dmachanget The first time dmachanget is called for a channel the channel clientcount is incorrectly incremented twice for public channels, first in balancerefcount, and again prio...

DEBIAN-CVE-2021-4454

In the Linux kernel, the following vulnerability has been resolved: can: j1939: fix errant WARNONONCE in j1939sessiondeactivate The conclusion "j1939sessiondeactivate should be called with a session ref-count of at least 2" is incorrect. In some concurrent scenarios, j1939sessiondeactivate can be...

UBUNTU-CVE-2022-49753

In the Linux kernel, the following vulnerability has been resolved: dmaengine: Fix double increment of clientcount in dmachanget The first time dmachanget is called for a channel the channel clientcount is incorrectly incremented twice for public channels, first in balancerefcount, and again prio...

UBUNTU-CVE-2022-49740

In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: Check the count value of channel spec to prevent out-of-bounds reads This patch fixes slab-out-of-bounds reads in brcmfmac that occur in brcmfconstructchaninfo and brcmfenablebw402g when the count value of channel...