UBUNTU-CVE-2026-74304

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciqca: fix NULL pointer dereference in qcasetup for non-serdev device hu-serdev is NULL for hciuart attached via non-serdev paths, but qcasetup unconditionally calls serdevdevicegetdrvdatahu-serdev and dereferences th...

UBUNTU-CVE-2026-74389

In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Fix log flood after cmdmbox failure hnsrocecmdmbox is the command interface between driver and hardware. When hardware is abnormal, the unlimited error printings after hnsrocecmdmbox failure will cause log flood and eve...

UBUNTU-CVE-2026-72388

In the Linux kernel, the following vulnerability has been resolved: drm/panthor: Always use the IRQ-safe variant when acquiring the fence lock Since dmafence objects can be shared with other subsystems, they may be accessed from hardirq context in those drivers, and we have to take that into...

UBUNTU-CVE-2026-74336

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: bound S1G TIM PVB walk to the TIM element ieee80211s1gchecktim parses the S1G Partial Virtual Bitmap PVB of a received TIM element. The TIM is handed in as the element payload: ieee80211parseelemsfull stores...

UBUNTU-CVE-2026-74372

In the Linux kernel, the following vulnerability has been resolved: raid1: fix nrpending leak in REQATOMIC bad-block error path In raid1writerequest, each per-mirror loop iteration begins by incrementing rdev-nrpending. If a REQATOMIC write encounters a badblock within the requested range, the co...

UBUNTU-CVE-2026-72475

In the Linux kernel, the following vulnerability has been resolved: dmaengine: dma-axi-dmac: Properly free struct axidmacdesc Use axidmacfreedesc to free fully the descriptor at fail path when call axidmacallocdesc in axidmacprepperipheraldmavec...

UBUNTU-CVE-2026-72482

In the Linux kernel, the following vulnerability has been resolved: gpib: fix double decrement of descriptorbusy in commandioctl commit d1857f8296dc "gpib: fix use-after-free in IO ioctl handlers" introduced a descriptorbusy reference counter to pin struct gpibdescriptor across IO ioctl operation...

UBUNTU-CVE-2026-72393

In the Linux kernel, the following vulnerability has been resolved: eth: fbnic: don't cache shinfo across skb realloc fbnictxlso calls skbcowhead which may reallocate the skb including the shared info. We can't use the pointer calculated before the call. BUG: KASAN: slab-use-after-free in...

UBUNTU-CVE-2026-74293

In the Linux kernel, the following vulnerability has been resolved: ASoC: fsl: fslaudmix: Validate written enum values fslaudmixputmixclksrc and fslaudmixputoutsrc convert the user-provided enum item with sndsocenumitemtoval before checking whether the item is within the enum's item count. The...

UBUNTU-CVE-2026-74378

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix TOCTOU heap overflow in getsrqwqe getsrqwqe reads wqe-dma.numsge from the shared receive queue buffer, which is mapped into userspace. It validates numsge against maxsge, but then re-reads the same field to calculat...

UBUNTU-CVE-2026-72323

In the Linux kernel, the following vulnerability has been resolved: ipv4: igmp: Fix potential UAF in igmpgqstarttimer A race condition exists between device teardown inetdevdestroy and incoming IGMP query processing igmprcv, leading to a Use-After-Free in the IGMP timer callback. During device...

UBUNTU-CVE-2026-72431

In the Linux kernel, the following vulnerability has been resolved: alloctag: fix use-after-free in /proc/allocinfo after module unload allocinfostart only reinitializes the codetag iterator at position 0. For subsequent reads position 0, it reuses cached iterator state from the previous batch...

UBUNTU-CVE-2026-74362

In the Linux kernel, the following vulnerability has been resolved: ext2: fix ignored return value of genericwritesync Fix ext2diowriteiter to propagate the error returned by genericwritesync instead of silently discarding it, which could cause write2 to return success to userspace on OSYNC/ODSYN...

UBUNTU-CVE-2026-74313

In the Linux kernel, the following vulnerability has been resolved: vduse: hold vduselock across IDR lookup in open path vdusedevopen looks up struct vdusedev through the IDR and then acquires dev-lock only after vduselock has been dropped. This leaves a window where a concurrent VDUSEDESTROYDEV...

UBUNTU-CVE-2026-72328

In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Fix potential amdxdnaumap lifetime race amdxdnaumaprelease calls the blocking mmuintervalnotifierremove before removing the object from abo-mem.umaplist. If aie2populaterange runs concurrently, it may obtain a...

UBUNTU-CVE-2026-72470

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: resize log-onepagebuf when adopting on-disk page size logreplay allocates log-onepagebuf using the page size that was chosen from the host PAGESIZE: log-onepagebuf = kmalloclog-pagesize, GFPNOFS; Later, when a restart...

CVE-2026-72348

In the Linux kernel, the following vulnerability has been resolved: netfilter: ip6tables: mark malformed IPv6 extension headers for hotdrop The ah, hbh and rt matches check that the fixed extension header is present, then use the header length field to derive the advertised extension header lengt...

CVE-2026-74264

In the Linux kernel, the following vulnerability has been resolved: net: watchdog: fix refcount tracking races Blamed commit converted the untracked devhold/devput calls in the watchdog code to use the tracked devholdtrack/devputtrack which were later renamed/interfaced to netdevhold and netdevpu...

CVE-2026-72502

In the Linux kernel, the following vulnerability has been resolved: tcp: ipv6: clamp default adverting MSS to avoid GSOBYFRAGS 0xFFFF When MTU is large, ip6defaultadvmss can return IPV6MAXPLEN 65535. This is interpreted by TCP as mssclamp, allowing the MSS to reach 65535. However, 0xFFFF is also...

CVE-2026-74349

In the Linux kernel, the following vulnerability has been resolved: ocfs2: reject FITRIM ranges shorter than a cluster ocfs2trimmainbm trims the global bitmap in cluster units, but its too-short range validation only checks sb-sblocksize. On filesystems with a cluster size larger than the block...