UBUNTU-CVE-2026-31443

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Fix crash when the event log is disabled If reporting errors to the event log is not supported by the hardware, and an error that causes Function Level Reset FLR is received, the driver will try to restore the...

UBUNTU-CVE-2026-31518

In the Linux kernel, the following vulnerability has been resolved: esp: fix skb leak with espintcp and async crypto When the TX queue for espintcp is full, espoutputtailtcp will return an error and not free the skb, because with synchronous crypto, the common xfrm output code will drop the packe...

UBUNTU-CVE-2026-31515

In the Linux kernel, the following vulnerability has been resolved: afkey: validate families in pfkeysendmigrate syzbot was able to trigger a crash in skbput 1 Issue is that pfkeysendmigrate does not check old/new families, and that setipsecrequest @family argument was truncated, thus possibly...

UBUNTU-CVE-2026-31502

In the Linux kernel, the following vulnerability has been resolved: team: fix headerops type confusion with non-Ethernet ports Similar to commit 950803f72547 "bonding: fix type confusion in bondsetupbyslave" team has the same class of headerops type confusion. For non-Ethernet ports,...

CVE-2026-31524

In the Linux kernel, the following vulnerability has been resolved: HID: asus: avoid memory leak in asusreportfixup The asusreportfixup function was returning a newly allocated kmemdup-allocated buffer, but never freeing it. Switch to devmkzalloc to ensure the memory is managed and freed...

UBUNTU-CVE-2026-31444

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free and NULL deref in smbgrantoplock smbgrantoplock has two issues in the oplock publication sequence: 1 opinfo is linked into ci-moplist via opinfoadd before addleasegloballist is called. If...

UBUNTU-CVE-2026-31528

In the Linux kernel, the following vulnerability has been resolved: perf: Make sure to use pmuctx-pmu for groups Oliver reported that x86pmudel ended up doing an out-of-bound memory access when groupschedin fails and needs to roll back. This should be handled by the transaction callbacks, but he...

UBUNTU-CVE-2026-31470

In the Linux kernel, the following vulnerability has been resolved: virt: tdx-guest: Fix handling of host controlled 'quote' buffer length Validate host controlled value quotebuf-outlen that determines how many bytes of the quote are copied out to guest userspace. In TDX environments with remote...

CVE-2026-31500

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btintel: serialize btintelhwerror with hcireqsynclock btintelhwerror issues two hcicmdsync calls HCIOPRESET and Intel exception-info retrieval without holding hcireqsynclock. This lets it race against hcidevdoclose -...

CVE-2026-31496

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrackexpect: skip expectations in other netns via proc Skip expectations that do not reside in this netns. Similar to e77e6ff502ea "netfilter: conntrack: do not dump other netns's conntrack entries via proc"...

CVE-2026-31477

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix memory leaks and NULL deref in smb2lock smb2lock has three error handling issues after listdel detaches smblock from locklist at nocheckcl: 1 If vfslockfile returns an unexpected error in the non-UNLOCK path, goto out...

CVE-2026-31453

In the Linux kernel, the following vulnerability has been resolved: xfs: avoid dereferencing log items after push callbacks After xfsaildpushitem calls ioppush, the log item may have been freed if the AIL lock was dropped during the push. Background inode reclaim or the dquot shrinker can free th...

CVE-2026-31504

In the Linux kernel, the following vulnerability has been resolved: net: fix fanout UAF in packetrelease via NETDEVUP race packetrelease has a race window where NETDEVUP can re-register a socket into a fanout group's arr array. The re-registration is not cleaned up by fanoutrelease, leaving a...

UBUNTU-CVE-2026-31447

In the Linux kernel, the following vulnerability has been resolved: ext4: reject mount if bigalloc with sfirstdatablock != 0 bigalloc with sfirstdatablock != 0 is not supported, reject mounting it...

UBUNTU-CVE-2026-31495

In the Linux kernel, the following vulnerability has been resolved: netfilter: ctnetlink: use netlink policy range checks Replace manual range and mask validations with netlink policy annotations in ctnetlink code paths, so that the netlink core rejects invalid values early and can generate extac...

UBUNTU-CVE-2026-31511

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: Fix dangling pointer on mgmtaddadvpatternsmonitorcomplete This fixes the condition checking so mgmtpendingvalid is executed whenever status != -ECANCELED otherwise calling mgmtpendingfreecmd would kfreecmd withou...

UBUNTU-CVE-2026-31497

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btusb: clamp SCO altsetting table indices btusbwork maps the number of active SCO links to USB alternate settings through a three-entry lookup table when CVSD traffic uses transparent voice settings. The lookup current...

UBUNTU-CVE-2026-31471

In the Linux kernel, the following vulnerability has been resolved: xfrm: iptfs: only publish modedata after clone setup iptfsclonestate stores x-modedata before allocating the reorder window. If that allocation fails, the code frees the cloned state and returns -ENOMEM, leaving x-modedata pointi...

UBUNTU-CVE-2026-31478

In the Linux kernel, the following vulnerability has been resolved: ksmbd: replace hardcoded hdr2len with offsetof in smb2calcmaxoutbuflen After this commit e2b76ab8b5c9 "ksmbd: add support for read compound", response buffer management was changed to use dynamic iov array. In the new design,...

CVE-2026-31527

In the Linux kernel, the following vulnerability has been resolved: driver core: platform: use generic driveroverride infrastructure When a driver is probed through driverattach, the bus' match callback is called without the device lock held, thus accessing the driveroverride field without a lock...