UBUNTU-CVE-2026-80533

In the Linux kernel, the following vulnerability has been resolved: xfs: don't walk off the end of a null sc-sa.agibp in AGI repair LOLLM noticed a longstanding bug where xrepiunlinkwalkondiskbucket tries to walk ragi-sc-sa.agibp to rebuild the unlinked inode lists. Unfortunately, it's possible f...

CVE-2026-80579

In the Linux kernel, the following vulnerability has been resolved: fbdev: clear fbinfo-mode before deleting a videomode fbsetvar can delete a mode from info-modelist when userspace passes FBACTIVATEINVMODE through FBIOPUTVSCREENINFO. The code checks that the mode being deleted is not the current...

CVE-2026-80564

In the Linux kernel, the following vulnerability has been resolved: gve: fix NULL dereference due to missing ptp adjfine Fix NULL dereference due to missing implementation of adjfine, which can be triggered from usermode as follows: sudo ./testptp -d /dev/ptp0 -f 0 551.943697 BUG: kernel NULL...

UBUNTU-CVE-2026-80584

In the Linux kernel, the following vulnerability has been resolved: s390/qeth: validate user buffer length in SNMP and ARP query ioctls qethsnmpcommand and qethl3arpquery allocate a buffer sized by a user-supplied length udatalen without checking a lower bound, then set udataoffset to a fixed...

CVE-2026-80578

In the Linux kernel, the following vulnerability has been resolved: fbdev: core: Fix pointer desynchronization in fbioread In fbioread, if copytouser performs a partial copy e.g., due to a faulty user buffer, the loop adjusts the chunk size 'c' and updates the remaining 'count'. However, the...

CVE-2026-80561

In the Linux kernel, the following vulnerability has been resolved: libceph: fix multiple unsafe decodes in decodelocker decodelocker in clslockclient.c contains three unsafe decode operations that allow a malicious or compromised OSD to trigger slab-out-of-bounds reads: 1. cephdecodecopy at the...

CVE-2026-80520

In the Linux kernel, the following vulnerability has been resolved: ovpn: fix NULL dereference when killing missing key ovpncryptokillkey assumes both crypto slots are populated and dereferences each slot before checking it. That is not guaranteed: a peer can have only one installed key, and the...

CVE-2026-80584

In the Linux kernel, the following vulnerability has been resolved: s390/qeth: validate user buffer length in SNMP and ARP query ioctls qethsnmpcommand and qethl3arpquery allocate a buffer sized by a user-supplied length udatalen without checking a lower bound, then set udataoffset to a fixed...

CVE-2026-80524

In the Linux kernel, the following vulnerability has been resolved: optee: ffa: Add NULL check in opteeffalendprotmem Sashiko locally reports a possible null dereference under memory pressure due to the lack of validation of the allocated pointer. Fix that by adding the missing check...

UBUNTU-CVE-2026-80579

In the Linux kernel, the following vulnerability has been resolved: fbdev: clear fbinfo-mode before deleting a videomode fbsetvar can delete a mode from info-modelist when userspace passes FBACTIVATEINVMODE through FBIOPUTVSCREENINFO. The code checks that the mode being deleted is not the current...

UBUNTU-CVE-2026-80524

In the Linux kernel, the following vulnerability has been resolved: optee: ffa: Add NULL check in opteeffalendprotmem Sashiko locally reports a possible null dereference under memory pressure due to the lack of validation of the allocated pointer. Fix that by adding the missing check...

CVE-2026-80533

In the Linux kernel, the following vulnerability has been resolved: xfs: don't walk off the end of a null sc-sa.agibp in AGI repair LOLLM noticed a longstanding bug where xrepiunlinkwalkondiskbucket tries to walk ragi-sc-sa.agibp to rebuild the unlinked inode lists. Unfortunately, it's possible f...

CVE-2026-80572

In the Linux kernel, the following vulnerability has been resolved: Input: byd - synchronize timer deletion before freeing private data byddisconnect uses timerdelete before freeing the driver's private data. This does not wait for a running bydcleartouch callback, which dereferences the private...

UBUNTU-CVE-2026-80520

In the Linux kernel, the following vulnerability has been resolved: ovpn: fix NULL dereference when killing missing key ovpncryptokillkey assumes both crypto slots are populated and dereferences each slot before checking it. That is not guaranteed: a peer can have only one installed key, and the...

UBUNTU-CVE-2026-80542

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix NULL pointer dereference in amdgpudmcrtcsetvblank amdgpudmcrtcsetvblank dereferences acrtcstate-stream when vblank is enabled/queried from DRMIOCTLMODECRTCGETSEQUENCE before a stream is attached to it. BUG:...

CVE-2026-80542

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix NULL pointer dereference in amdgpudmcrtcsetvblank amdgpudmcrtcsetvblank dereferences acrtcstate-stream when vblank is enabled/queried from DRMIOCTLMODECRTCGETSEQUENCE before a stream is attached to it. BUG:...

CVE-2026-80577

In the Linux kernel, the following vulnerability has been resolved: drm/panthor: skip zero-sized firmware sections panthorfwloadsectionentry skips BO creation when the firmware section VA range is empty. If such a section is added to the firmware section list, section-mem is left as NULL. Later...

UBUNTU-CVE-2026-80577

In the Linux kernel, the following vulnerability has been resolved: drm/panthor: skip zero-sized firmware sections panthorfwloadsectionentry skips BO creation when the firmware section VA range is empty. If such a section is added to the firmware section list, section-mem is left as NULL. Later...

UBUNTU-CVE-2026-80572

In the Linux kernel, the following vulnerability has been resolved: Input: byd - synchronize timer deletion before freeing private data byddisconnect uses timerdelete before freeing the driver's private data. This does not wait for a running bydcleartouch callback, which dereferences the private...

UBUNTU-CVE-2026-80528

In the Linux kernel, the following vulnerability has been resolved: ceph: avoid fs reclaim while using current-journalinfo handlereply stores a cephmdsrequest pointer in current-journalinfo while filling the inode and dentry cache from an MDS reply. An allocation in this section can enter direct...