CVE-2026-31518

In the Linux kernel, the following vulnerability has been resolved: esp: fix skb leak with espintcp and async crypto When the TX queue for espintcp is full, espoutputtailtcp will return an error and not free the skb, because with synchronous crypto, the common xfrm output code will drop the packe...

CVE-2026-31525

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix undefined behavior in interpreter sdiv/smod for INTMIN The BPF interpreter's signed 32-bit division and modulo handlers use the kernel abs macro on s32 operands. The abs macro documentation include/linux/math.h explicitl...

UBUNTU-CVE-2026-31526

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix exception exit lock checking for subprogs processbpfexitfull passes checklock = !curframe to checkresourceleak, which is false in cases when bpfthrow is called from a static subprog. This makes checkresourceleak to skip...

CVE-2026-31513

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix stack-out-of-bounds read in l2capecredconnreq Syzbot reported a KASAN stack-out-of-bounds read in l2capbuildcmd that is triggered by a malformed Enhanced Credit Based Connection Request. The vulnerability...

CVE-2026-31482

In the Linux kernel, the following vulnerability has been resolved: s390/entry: Scrub r12 register on kernel entry Before commit f33f2d4c7c80 "s390/bp: remove TIFISOLATEBP", all entry handlers loaded r12 with the current task pointer lg %r12,LCCURRENT for use by the BPENTER/BPEXIT macros. That...

CVE-2026-31483

In the Linux kernel, the following vulnerability has been resolved: s390/syscalls: Add spectre boundary for syscall dispatch table The s390 syscall number is directly controlled by userspace, but does not have an arrayindexnospec boundary to prevent access past the syscall function pointer tables...

CVE-2026-31493

In the Linux kernel, the following vulnerability has been resolved: RDMA/efa: Fix use of completion ctx after free On admin queue completion handling, if the admin command completed with error we print data from the completion context. The issue is that we already freed the completion context in...

UBUNTU-CVE-2026-31473

In the Linux kernel, the following vulnerability has been resolved: media: mc, v4l2: serialize REINIT and REQBUFS with reqqueuemutex MEDIAREQUESTIOCREINIT can run concurrently with VIDIOCREQBUFS0 queue teardown paths. This can race request object cleanup against vb2 queue cancellation and lead to...

CVE-2026-31527

In the Linux kernel, the following vulnerability has been resolved: driver core: platform: 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...

CVE-2026-31524

In the Linux kernel, the following vulnerability has been resolved: HID: asus: avoid memory leak in asusreportfixup The asusreportfixup function was returning a newly allocated kmemdup-allocated buffer, but never freeing it. Switch to devmkzalloc to ensure the memory is managed and freed...

CVE-2026-31517

In the Linux kernel, the following vulnerability has been resolved: xfrm: iptfs: fix skbput panic on non-linear skb during reassembly In iptfsreassemcont, IP-TFS attempts to append data to the new inner packet 'newskb' that is being reassembled. First a zero-copy approach is tried if it succeeds...

CVE-2026-31513

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix stack-out-of-bounds read in l2capecredconnreq Syzbot reported a KASAN stack-out-of-bounds read in l2capbuildcmd that is triggered by a malformed Enhanced Credit Based Connection Request. The vulnerability...

CVE-2026-31510

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix null-ptr-deref on l2capsockreadycb Before using sk pointer, check if it is null. Fix the following: KASAN: null-ptr-deref in range 0x0000000000000260-0x0000000000000267 CPU: 0 UID: 0 PID: 5985 Comm:...

CVE-2026-31502

In the Linux kernel, the following vulnerability has been resolved: team: fix headerops type confusion with non-Ethernet ports Similar to commit 950803f72547 "bonding: fix type confusion in bondsetupbyslave" team has the same class of headerops type confusion. For non-Ethernet ports,...

CVE-2026-31496

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrackexpect: skip expectations in other netns via proc Skip expectations that do not reside in this netns. Similar to e77e6ff502ea "netfilter: conntrack: do not dump other netns's conntrack entries via proc"...

CVE-2026-31495

In the Linux kernel, the following vulnerability has been resolved: netfilter: ctnetlink: use netlink policy range checks Replace manual range and mask validations with netlink policy annotations in ctnetlink code paths, so that the netlink core rejects invalid values early and can generate extac...

CVE-2026-31483

In the Linux kernel, the following vulnerability has been resolved: s390/syscalls: Add spectre boundary for syscall dispatch table The s390 syscall number is directly controlled by userspace, but does not have an arrayindexnospec boundary to prevent access past the syscall function pointer tables...

CVE-2026-31482

In the Linux kernel, the following vulnerability has been resolved: s390/entry: Scrub r12 register on kernel entry Before commit f33f2d4c7c80 "s390/bp: remove TIFISOLATEBP", all entry handlers loaded r12 with the current task pointer lg %r12,LCCURRENT for use by the BPENTER/BPEXIT macros. That...

CVE-2026-31467

In the Linux kernel, the following vulnerability has been resolved: erofs: add GFPNOIO in the bio completion if needed The bio completion path in the process context e.g. dm-verity will directly call into decompression rather than trigger another workqueue context for minimal scheduling latencies...

CVE-2026-31464

In the Linux kernel, the following vulnerability has been resolved: scsi: ibmvfc: Fix OOB access in ibmvfcdiscovertargetsdone A malicious or compromised VIO server can return a numwritten value in the discover targets MAD response that exceeds maxtargets. This value is stored directly in...