UBUNTU-CVE-2026-98531

In the Linux kernel, the following vulnerability has been resolved: ipv6: sr: enforce exact attribute length for SEG6ATTRDST In seg6genlpolicy, SEG6ATTRDST is defined with .type = NLABINARY and .len = sizeofstruct in6addr. For NLABINARY, .len only enforces the maximum payload length and permits...

CVE-2026-98524

In the Linux kernel, the following vulnerability has been resolved: rds: ib: Clear the sg list when mapping an MR fails rdsibmapfrmr stores the caller's scatterlist in the MR before DMA mapping and registration can fail. On failure, rdsrdmamap unpins the pages and frees the scatterlist, but...

UBUNTU-CVE-2026-98538

In the Linux kernel, the following vulnerability has been resolved: writeback: bound cleanupofflinecgwb rescans by rotating scanned inodes cleanupofflinecgwb prepares at most WBMAXINODESPERISW inodes per call and is called again until the dying wb is drained, but every call walks wb-battached and...

UBUNTU-CVE-2026-98720

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Force MSR bitmap refresh if runtime eVMCS controls are modified Force a refresh of the vmcs02 MSR bitmap during nested VM-Enter if the runtime eVMCS controls pin, primary, secondary, etc. are being updated. If L1 isn't...

UBUNTU-CVE-2026-98572

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix immediate JMP JEQ/JNE on MIPS32 An addu instruction was emitted instead of addiu, causing the immediate value 1 to be interpreted as register $at. This made the comparison result invalid when the immediate operand was...

UBUNTU-CVE-2026-98597

In the Linux kernel, the following vulnerability has been resolved: net: usb: sr9700: include receive overhead in the length check The receive fixup subtracts the Ethernet CRC from the reported packet length, but compares that payload length against the whole remaining receive buffer. The followi...

UBUNTU-CVE-2026-98591

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix bounds check for skb-backed dynptrs The skbpointeriflinear function checks whether a memory region of length len starting at offset off into the skb is in the linear area, and returns a pointer to the region if so. The...

UBUNTU-CVE-2026-98582

In the Linux kernel, the following vulnerability has been resolved: nfc: st21nfca: validate received frame size st21nfcahcii2crepack trims a received frame at its EOF marker before removing byte stuffing. It then assumes the truncated frame contains the LLC header and two CRC bytes, and it...

UBUNTU-CVE-2026-98575

In the Linux kernel, the following vulnerability has been resolved: nfc: pn533: fix OOB read in pn533acr122isrxframevalid frame-ccid.datalen is read directly from the USB response frame and used, unchecked, as an index into frame-data. A malicious or malfunctioning device can set this field to an...

UBUNTU-CVE-2026-98733

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcicore: Serialize fragmented ISO packet queueing The fragmented path in hciqueueiso calls skbqueuetail without holding conn-dataq.lock. The socket lock serializes senders, but the transmit worker can concurrently remo...

UBUNTU-CVE-2026-98470

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Don't WARN on an unknown VM ioctl in protected mode kvmpkvmioctlallowed WARNs when kvmgetcapforkvmioctl doesn't find the ioctl number in vmioctlcaps, and kvmarchvmioctl calls it for every number the generic code doesn...

UBUNTU-CVE-2026-98473

In the Linux kernel, the following vulnerability has been resolved: s390/vfio-ap: fix KVM GISC and page leak when queue removed from host config Three related problems exist in the handling of KVM interrupt and page resources when a queue is removed from the host's AP configuration while assigned...

UBUNTU-CVE-2026-98592

In the Linux kernel, the following vulnerability has been resolved: net: spacemit: clear TX descriptor on fragment mapping failure emactxmemmap writes TXDESC0OWN into the ring descriptor for every slot beyond oldhead as soon as that slot's memset'd local copy is committed with "txdescaddr =...

UBUNTU-CVE-2026-98586

In the Linux kernel, the following vulnerability has been resolved: sctp: hold asoc or transport before modtimer in timer handlers Take the association or transport reference before rearming a timer in the timer handlers. The existing code calls modtimer before taking the reference needed by the...

UBUNTU-CVE-2026-98559

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix UAF on lgr list traversal in smcrporterr smcrporterr traverses smclgrlist.list without holding smclgrlist.lock, allowing a concurrent smclgrterminatesched to free an lgr while it is still being dereferenced. Hold...

UBUNTU-CVE-2026-98595

In the Linux kernel, the following vulnerability has been resolved: udp: remove a disconnected socket from the 4-tuple hash table A UDP socket bound to a specific address and port keeps its entry in the 4-tuple hash table after it is disconnected: sk binds to 127.0.0.1:21001 sk connects to...

UBUNTU-CVE-2026-98570

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: keep room for the mac header in dstdevoverhead The seg6, ioam6 and rpl lwtunnels size their skbcowhead request as the length they are about to push plus dstdevoverhead, then push the new headers and rebuild the mac...

UBUNTU-CVE-2026-98584

In the Linux kernel, the following vulnerability has been resolved: net/sched: fix potential stack infoleak in emtextdump emtextdump allocates struct tcfemtext on the stack without zeroing it. strscpy writes the algorithm name and a NUL terminator into conf.algo, leaving the remaining bytes...

UBUNTU-CVE-2026-98613

In the Linux kernel, the following vulnerability has been resolved: bpf: Bound ownership depth through local kptrs and graph roots Program-allocated objects can own other local objects through referenced kptrs. bpfobjfreefields follows those pointers through bpfobjdropimpl synchronously, before t...

UBUNTU-CVE-2026-98594

In the Linux kernel, the following vulnerability has been resolved: tg3: clean up PHYLIB resources on probe failure tg3getinvariants can register an MDIO bus and connect a PHY for USEPHYLIB devices. If tg3initone later fails, its common error path releases the mappings and netdev without undoing...