UBUNTU-CVE-2026-52967

In the Linux kernel, the following vulnerability has been resolved: smb/client: fix possible infinite loop and oob read in symlinkdata On 32-bit architectures, the infinite loop is as follows: len = p-ErrorDataLength == 0xfffffff8 u8 next = p-ErrorContextData + len next == p On 32-bit...

UBUNTU-CVE-2026-53049

In the Linux kernel, the following vulnerability has been resolved: gfs2: add some missing log locking Function gfs2logd calls the log flushing functions gfs2ail1start, gfs2ail1wait, and gfs2ail1empty without holding sdp-sdlogflushlock, but these functions require exclusion against concurrent...

UBUNTU-CVE-2026-53066

In the Linux kernel, the following vulnerability has been resolved: drm/sun4i: backend: fix error pointer dereference The function drmatomicgetplanestate can return an error pointer and is not checked for it. Add error pointer check. Detected by Smatch: drivers/gpu/drm/sun4i/sun4ibackend.c:496...

UBUNTU-CVE-2026-53117

In the Linux kernel, the following vulnerability has been resolved: s390/cio: 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, which can...

UBUNTU-CVE-2026-53004

In the Linux kernel, the following vulnerability has been resolved: sctp: fix OOB write to userspace in sctpgetsockoptpeerauthchunks sctpgetsockoptpeerauthchunks checks that the caller's optval buffer is large enough for the peer AUTH chunk list with if len gauthchunks, which lives at offset...

UBUNTU-CVE-2026-53070

In the Linux kernel, the following vulnerability has been resolved: sctp: disable BH before calling udptunnelxmitskb udptunnelxmitskb / udptunnel6xmitskb are expected to run with BH disabled. After commit 6f1a9140ecda "add xmit recursion limit to tunnel xmit functions", on the path:...

UBUNTU-CVE-2026-53028

In the Linux kernel, the following vulnerability has been resolved: usb: typec: Fix error pointer dereference The variable tps-partner is checked for an error pointer and then if it is, it sends an error message but does not return and then immediately dereferenced a few lines below: tps-partner ...

UBUNTU-CVE-2026-53035

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix afunix iter deadlock bpfiterunixseqshow may deadlock when locksockfast takes the fast path and the iter prog attempts to update a sockmap. Which ends up spinning at sockmapupdateelem's bhlocksock: WARNING:...

UBUNTU-CVE-2026-52983

In the Linux kernel, the following vulnerability has been resolved: net: airoha: fix BQL imbalance in TX path Fix a possible BQL imbalance in airohadevxmit, where inflight packets are accounted only for the AIROHANUMTXRING netdev TX queues. The queue index is computed as: qid =...

UBUNTU-CVE-2026-52958

In the Linux kernel, the following vulnerability has been resolved: libceph: Fix potential out-of-bounds access in osdmapdecode When decoding osdstate and osdweight from an incoming osdmap in osdmapdecode, both are decoded for each osd, i.e., map-maxosd times. The cephdecodeneed check only accoun...

UBUNTU-CVE-2026-52989

In the Linux kernel, the following vulnerability has been resolved: nvmet-tcp: propagate nvmettcpbuildpduiovec errors to its callers Currently, when nvmettcpbuildpduiovec detects an out-of-bounds PDU length or offset, it triggers nvmettcpfatalerrorcmd-queue and returns early. However, because the...

UBUNTU-CVE-2026-53006

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix possible UAF in icmpv6rcv Caching saddr and daddr before pskbpull is problematic since skb-head can change. Remove these temporary variables: - We only access &ipv6hdrskb-saddr and &ipv6hdrskb-daddr when netdbgratelimit...

UBUNTU-CVE-2026-52987

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: avoid double drmexecfini in userq validate When newaddition is true, amdgpuuserqvmvalidate calls drmexecfini&exec before iterating over the collected HMM ranges and calling amdgputtmttgetuserpages. If...

CVE-2026-53130

In the Linux kernel, the following vulnerability has been resolved: fs/omfs: reject ssysblocksize smaller than OMFSDIRSTART omfsfillsuper rejects oversized ssysblocksize values PAGESIZE, but it does not reject values smaller than OMFSDIRSTART 0x1b8 = 440. Later, omfsmakeempty uses sbi-ssysblocksi...

EUVD-2026-38997

In the Linux kernel, the following vulnerability has been resolved: fs/mbcache: cancel shrink work before destroying the cache mbcachedestroy calls shrinkerfree and then frees all cache entries and the cache itself, but it does not cancel the pending cshrinkwork work item first. If...

CVE-2026-53129

The CVE-2026-53129 fix in the Linux kernel addresses a use-after-free in the mb_cache shrink path. Specifically, mb_cache_destroy() previously freed cache memory after scheduling c_shrink_work, but did not cancel the pending work item, risking mb_cache_shrink_worker() accessing freed memory if th...

CVE-2026-53129

In the Linux kernel, the following vulnerability has been resolved: fs/mbcache: cancel shrink work before destroying the cache mbcachedestroy calls shrinkerfree and then frees all cache entries and the cache itself, but it does not cancel the pending cshrinkwork work item first. If...

EUVD-2026-38995

In the Linux kernel, the following vulnerability has been resolved: block: fix zonescond memory leak on zone revalidation error paths When blkrevalidatediskzones fails after diskrevalidatezoneresources has allocated args.zonescond, the memory is leaked because no error path frees it...

EUVD-2026-38996

In the Linux kernel, the following vulnerability has been resolved: drbd: Balance RCU calls in drbdadmdumpdevices Make drbdadmdumpdevices call rcureadlock before rcureadunlock is called. This has been detected by the Clang thread-safety analyzer...

CVE-2026-53127

In the Linux kernel, the following vulnerability has been resolved: block: fix zonescond memory leak on zone revalidation error paths When blkrevalidatediskzones fails after diskrevalidatezoneresources has allocated args.zonescond, the memory is leaked because no error path frees it...