EUVD-2026-45794

In the Linux kernel, the following vulnerability has been resolved: afunix: Fix UAF read of tail-len in unixstreamdatawait unixstreamdatawait does skbpeektail&sk-skreceivequeue without holding any lock that prevents SKBs on that queue from being dequeued and freed. This has been the case since...

CVE-2026-64109 af_unix: Fix UAF read of tail->len in unix_stream_data_wait()

In the Linux kernel, the following vulnerability has been resolved: afunix: Fix UAF read of tail-len in unixstreamdatawait unixstreamdatawait does skbpeektail&sk-skreceivequeue without holding any lock that prevents SKBs on that queue from being dequeued and freed. This has been the case since...

CVE-2026-64109 af_unix: Fix UAF read of tail->len in unix_stream_data_wait()

In the Linux kernel, the following vulnerability has been resolved: afunix: Fix UAF read of tail-len in unixstreamdatawait unixstreamdatawait does skbpeektail&sk-skreceivequeue without holding any lock that prevents SKBs on that queue from being dequeued and freed. This has been the case since...

CVE-2026-63871

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: Fix data-race on isopi fields in hcigetroute calls isoconnectbis, isoconnectcis, isolistenbis, and isoconnbigsync call hcigetroute using isopisk-dst, isopisk-src, and isopisk-srctype without holding locksock. Thes...

CVE-2026-16221

Impact: fast-uri versions from 2.3.1 through 4.1.0 including the 3.x line up to 3.1.3 and the 2.x line up to 2.4.2 do not treat a literal backslash character U+005C as an authority delimiter. Node's native WHATWG URL parser, used by fetch, undici, and Node's http and https clients, normalizes the...

CVE-2026-63818

In the Linux kernel, the following vulnerability has been resolved: f2fs: validate orphan inode entry count f2fsrecoverorphaninodes trusts the orphan block entrycount when replaying orphan inodes from the checkpoint pack. A corrupted entrycount larger than F2FSORPHANSPERBLOCK makes the recovery...

CVE-2026-63802

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: fix UAF in blkcgrstatflush When multiple blkgs in the same blkcg are released concurrently, a use-after-free can occur. The race happens when one blkg's blkcgrstatflush removes another blkg's iostat entries via...

CVE-2026-63807

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Ensure hugepage is in by slot before checking max mapping level When recovering hugepages in the shadow MMU, verify that the base gfn of the shadow page is actually contained within the target memslot, before queryi...

CVE-2026-63799

In the Linux kernel, the following vulnerability has been resolved: sched/mmcid: Fix OOB clearbit when CID is MMCIDUNSET in fixup path In mmcidfixupcpustotasks, when rq-curr has the target mm and mmcid.active is set, the CID is checked with cidintransit before setting the transition bit. In per-C...

CVE-2026-63805

In the Linux kernel, the following vulnerability has been resolved: crypto: nx - fix nxcryptoctxexit argument nxcryptoctxshashexit calls nxcryptoctxexit with cryptoshashctx... but cryptoshashctx gives a nxcryptoctx , not a cryptotfm . Fix the type in nxcryptoctxexit and drop the bogus cryptotfmct...

CVE-2026-63819

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on f2fsgetnodefoliora kernel BUG at fs/f2fs/file.c:845! Oops: invalid opcode: 0000 1 SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5336 Comm: syz.0.0 Not tainted syzkaller 0 PREEMPTfull Hardware name: QEMU...

CVE-2026-63834

In the Linux kernel, the following vulnerability has been resolved: batman-adv: tpmeter: restrict number of unacked list entries When the unackedlist is unbound, an attacker could send messages with small lengths and appropriated seqno + gaps to force the receiver to allocate more and more...

CVE-2026-63804

In the Linux kernel, the following vulnerability has been resolved: gfs2: fix use-after-free in gfs2qddealloc gfs2qddealloc, called as an RCU callback from gfs2qddispose, accesses the superblock object sdp through qd-qdsbd after freeing qd. It does so to decrement sdquotacount and wake up...

CVE-2026-63811

In the Linux kernel, the following vulnerability has been resolved: f2fs: read COW data with the original inode during atomic write When updating an atomic-write file, f2fswritebegin may read the previously written data back from the COW inode: prepareatomicwritebegin locates the block in the COW...

CVE-2026-63832

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: add wcid publish check in mt76staadd Since mt7925macstaadd publishes wcid, add publish check in mt76staadd to avoid reinitializing the wcid-polllist. Found dev-stapolllist corruption when using mt7925 and 7.1-rc4...

CVE-2026-63816

In the Linux kernel, the following vulnerability has been resolved: f2fs: atomic: fix UAF issue on f2fsinodeinfo.atomicinode - ioctlF2FSIOCGARBAGECOLLECTRANGE - shrink - f2fsgc - gcdatasegment - radatablockcowinode - mapping = F2FSIinode-atomicinode-imapping : f2fsiscowfilecowinode is true -...

CVE-2026-53398

In the Linux kernel, the following vulnerability has been resolved: NFSD: Fix SECINFONONAME decode error cleanup nfsd4decodesecinfononame currently initializes sinexp after decoding sinstyle. If the XDR stream is truncated, the decoder returns nfserrbadxdr before sinexp is initialized. Since comm...

CVE-2026-63795

In the Linux kernel, the following vulnerability has been resolved: 9p: avoid putting oldfid in p9clientwalk error path When p9clientwalk is called with clone set to false, fid aliases oldfid. If the walk subsequently fails after the request has been sent, the error path jumps to clunkfid, which...

CVE-2026-63800

In the Linux kernel, the following vulnerability has been resolved: pNFS: Fix use-after-free in pnfsupdatelayout When hitting the NFSLAYOUTRETURN branch in pnfsupdatelayout, the code calls pnfspreparetoretrylayoutgetlo. If it succeeds, pnfsputlayouthdrlo is called before tracepnfsupdatelayout,...

CVE-2026-63809

In the Linux kernel, the following vulnerability has been resolved: bpf: use kvfree for replaced sysctl write buffer procsyscallhandler allocates its temporary sysctl buffer with kvzalloc and passes it to cgroupbpfrunfiltersysctl. Since kvzalloc may fall back to vmalloc for large allocations,...