UBUNTU-CVE-2026-72338

In the Linux kernel, the following vulnerability has been resolved: net/sched: actpedit: fix TOCTOU heap OOB write in tc offload There is a TOCTOU race condition in flower lockless approach between sizing a flowrule buffer and filling it. [email protected] reports: The clsflower...

UBUNTU-CVE-2026-72318

In the Linux kernel, the following vulnerability has been resolved: cifs: validate DFS referral string offsets parsedfsreferrals validates that the response header and referral array fit in the received buffer, but each referral also contains string offsets supplied by the server. Those offsets a...

UBUNTU-CVE-2026-72048

In the Linux kernel, the following vulnerability has been resolved: ieee802154: ca8210: fix casctl leak on spiasync failure ca8210spitransfer allocates casctl with kzallocobjGFPATOMIC and relies entirely on the SPI completion callback ca8210spitransfercomplete to free it. The spiasync API only...

UBUNTU-CVE-2026-72273

In the Linux kernel, the following vulnerability has been resolved: fbdev: efifb: fix memory leak in efifbprobe Since commit 73ce73c30ba9 "fbdev: Transfer video= option strings to caller; clarify ownership" the string returned from fbgetoptions is expected to be freed by the caller, but the strin...

UBUNTU-CVE-2026-72205

In the Linux kernel, the following vulnerability has been resolved: ntfs: free volume-wide resources on fillsuper failure ntfsfillsuper's erroutnow path frees only the volume struct via kfreevol, leaving several vol-owned allocations behind on every mount failure: - vol-nlsmap, loaded by...

UBUNTU-CVE-2026-72347

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtconnmark: reject invalid shift parameters Revision 2 of the CONNMARK target accepts user-controlled shift parameters and applies them to 32-bit mark values in connmarktgshift. A shiftbits value of 32 or more triggers...

UBUNTU-CVE-2026-72308

In the Linux kernel, the following vulnerability has been resolved: mlxsw: fix refcount leak in mlxswspportlagjoin When mlxswspportlagindexget fails, mlxswspportlagjoin returns an error without releasing the lag reference obtained by the earlier mlxswsplagget. All other error paths in the functio...

UBUNTU-CVE-2026-74495

In the Linux kernel, the following vulnerability has been resolved: igbvf: Fix leak in TX DMA error cleanup If an error is encountered while mapping TX buffers, the driver should unmap any buffers already mapped for that skb. Because count is incremented before each frag mapping, it will always...

UBUNTU-CVE-2026-72396

In the Linux kernel, the following vulnerability has been resolved: hwmon: adm1275: Prevent reading uninitialized stack While adding support for the ROHM BD127X0 hot-swap controllers, sashiko reported an error in device-name comparison, which can lead to reading uninitialized stack memory. Quotin...

UBUNTU-CVE-2026-74439

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Clear Present bit before tearing down scalable-mode context entry devicepasidtableteardown zeroes the 128-bit scalable-mode context entry with contextclearentry while the Present bit is still set. This creates a windo...

UBUNTU-CVE-2026-72126

In the Linux kernel, the following vulnerability has been resolved: can: isotp: use unconditional synchronizercu in isotprelease isotpnotify unregisters the RCU CAN filters via canrxunregister and clears so-bound without waiting for a grace period. isotprelease uses so-bound to decide whether it...

UBUNTU-CVE-2026-74550

In the Linux kernel, the following vulnerability has been resolved: net: do not send ICMP/NDISC Redirects when peer allocation fails When inetgetpeerv4 or inetgetpeerv6 fails to allocate a peer entry under memory pressure or tree size caps, redirect handlers previously fell back to sending...

UBUNTU-CVE-2026-72440

In the Linux kernel, the following vulnerability has been resolved: md/raid1: fix writespending and barrier reference leaks on write failures raid1makerequest acquires a writespending reference with mdwritestart before calling raid1writerequest. Several failure paths in raid1writerequest complete...

UBUNTU-CVE-2026-72138

In the Linux kernel, the following vulnerability has been resolved: xen/gntdev: fix error handling in ioctl When gntdevioctlmapgrantref fails to copy the operation result back to userspace after successfully adding the mapping to the list, the error path returns -EFAULT without releasing the...

UBUNTU-CVE-2026-74570

In the Linux kernel, the following vulnerability has been resolved: ntfs: harden runlist realloc size calculations Add a shared helper to safely convert runlist element counts to byte sizes using overflow checks, and use it in both ntfsrlrealloc and ntfsrlreallocnofail...

UBUNTU-CVE-2026-74569

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntracksip: widen NAT rewrite delta to s32 in siphelptcp siphelptcp stores the size change of each NAT-rewritten SIP message in s16 diff and accumulates it in s16 tdiff, but a single message can grow by more than...

UBUNTU-CVE-2026-72402

In the Linux kernel, the following vulnerability has been resolved: bpf: Mask pseudo pointer values in verifier logs printbpfinsn masks ldimm64 immediates for pointer-bearing pseudo sources when pointer leaks are not allowed, but the mask only covers BPFPSEUDOMAPFD and BPFPSEUDOMAPVALUE...

UBUNTU-CVE-2026-74474

In the Linux kernel, the following vulnerability has been resolved: vxlan: use pskbnetworkmaypull for transmit path header pulls In vxlanxmit, arpreduce, and vxlanmdbentryskbget, pskbmaypull was being called to verify the availability of network layer headers ARP, IPv6/ND, IP/IPv6 MDB keys...

UBUNTU-CVE-2026-72067

In the Linux kernel, the following vulnerability has been resolved: cpu: hotplug: Preserve per instance callback errors cpuhpinvokecallback unwinds earlier callbacks for the same hotplug state when one instance fails. The rollback path currently reuses ret, so a successful rollback can hide the...

UBUNTU-CVE-2026-74508

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: HIDP: reject frames without a transaction header hidprecvctrlframe and hidprecvintrframe read skb-data0 before checking that the L2CAP SDU contains a transaction header. A connected HIDP peer can send an empty basic-mo...