EUVD-2026-39844

In the Linux kernel, the following vulnerability has been resolved: ocfs2/dlm: fix off-by-one in dlmmatchregions region comparison The local-vs-remote region comparison loop uses '=' instead of '', causing it to read one entry past the valid range of qrregions. The other loops in the same functio...

CVE-2026-53309 ocfs2/dlm: fix off-by-one in dlm_match_regions() region comparison

In the Linux kernel, the following vulnerability has been resolved: ocfs2/dlm: fix off-by-one in dlmmatchregions region comparison The local-vs-remote region comparison loop uses '=' instead of '', causing it to read one entry past the valid range of qrregions. The other loops in the same functio...

CVE-2026-53309

CVE-2026-53309 relates to the Linux kernel OCFS2 DLM component. A bug in the dlm_match_regions() region comparison used a <= bound, allowing reads beyond the valid range of qr_regions. The fix modifies the loop condition to use

CVE-2026-53296 mailbox: mailbox-test: free channels on probe error

In the Linux kernel, the following vulnerability has been resolved: mailbox: mailbox-test: free channels on probe error On probe error, free the previously obtained channels. This not only prevents a leak, but also UAF scenarios because the client structure will be removed nonetheless because it...

EUVD-2026-39897

In the Linux kernel, the following vulnerability has been resolved: net: phonet: do not BUGON in pnsocketautobind on failed bind syzbot reported a kernel BUG triggered from pnsocketsendmsg via pnsocketautobind: kernel BUG at net/phonet/socket.c:213! RIP: 0010:pnsocketautobind...

EUVD-2026-39894

In the Linux kernel, the following vulnerability has been resolved: ice: fix NULL pointer dereference in iceresetallvfs iceresetallvfs ignores the return value of icevfrebuildvsi. When the VSI rebuild fails e.g. during NVM firmware update via nvmupdate64e, icevsirebuild tears down the VSI on its...

CVE-2026-53278

CVE-2026-53278 affects the Linux kernel arm_mpam component. The vulnerability arises when __destroy_component_cfg() is invoked from mpam_disable() before the configuration array has been allocated, causing a NULL pointer dereference. The function frees the configuration array and mbwu_state; sinc...

SUSE CVE-2026-53173

In the Linux kernel, the following vulnerability has been resolved: accel/ethosu: fix OOB write in ethosugemcmdstreamcopyandvalidate The command stream parsing loop increments the index variable a second time when a 64-bit command word is encountered bit 14 set, but does not re-check the loop bou...

SUSE CVE-2026-53253

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: bnep: reject short frames before parsing A BNEP peer can send a short BNEP SDU. bneprxframe reads the packet type byte immediately and, for control packets, reads the control opcode and setup UUID-size byte before...

SUSE CVE-2026-53256

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: hold listener socket in rfcommconnectind rfcommgetsockbychannel scans rfcommsklist under the list lock, but returns the selected listener after dropping that lock without taking a reference. rfcommconnectind th...

PT-2026-52960

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the io uring/napi component where there is no limit on the maximum time napi can poll when no events are found. This lack of a cap can lead to kernel complaints...

PT-2026-52949

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the soc/tegra: cbb component where a kernel page fault occurs during cross-fabric target timeout lookups. When a fabric receives an error interrupt that originated on ...

CVE-2026-53269

In the Linux kernel, the following vulnerability has been resolved: netfilter: synproxy: add mutex to guard hook reference counting As the synproxy infrastructure register netfilter hooks on-demand when a user adds the first iptables target or nftables expression, if done concurrently they can ra...

CVE-2026-53243

In the Linux kernel, the following vulnerability has been resolved: rseq: Fix using an uninitialized stack variable in rseqexituserupdate There is an bug in which an uninitialized stack variable is used in rseqexituserupdate as reported by syzbot: BUG: KMSAN: kernel-infoleak in rseqsetidsgetcsadd...

CVE-2026-53230

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fix slab-out-of-bounds in mlx5querynicvportmaclist mlx5querynicvportmaclist sizes its firmware command buffer using the PF's logmaxcurrentuc/mclist capabilities. When querying a VF vport with a larger configured max via...

CVE-2026-53173

In the Linux kernel, the following vulnerability has been resolved: accel/ethosu: fix OOB write in ethosugemcmdstreamcopyandvalidate The command stream parsing loop increments the index variable a second time when a 64-bit command word is encountered bit 14 set, but does not re-check the loop bou...

CVE-2026-53246

In the Linux kernel, the following vulnerability has been resolved: sctp: validate cached peer INIT chunk length in COOKIEECHO processing When a listening SCTP server processes a COOKIEECHO chunk, the cached peer INIT chunk embedded after the cookie is parsed and its parameters are later walked b...

UBUNTU-CVE-2026-53167

In the Linux kernel, the following vulnerability has been resolved: fuse: limit FUSENOTIFYRETRIEVE to uptodate folios FUSENOTIFYRETRIEVE must be limited to uptodate folios; !uptodate folios can contain uninitialized data. Since FUSENOTIFYRETRIEVE is intended to only return data that is already in...

CVE-2026-53225

In the Linux kernel, the following vulnerability has been resolved: sctp: fix uninit-value in sctprcvasconflookup sctprcvasconflookup in net/sctp/input.c only checks that the ASCONF chunk can hold the ADDIP header and a parameter header, then calls af-fromaddrparam, which reads the full address 1...

UBUNTU-CVE-2026-53256

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: hold listener socket in rfcommconnectind rfcommgetsockbychannel scans rfcommsklist under the list lock, but returns the selected listener after dropping that lock without taking a reference. rfcommconnectind th...