CVE-2026-31658

In the Linux kernel, the following vulnerability has been resolved: net: altera-tse: fix skb leak on DMA mapping error in tsestartxmit When dmamapsingle fails in tsestartxmit, the function returns NETDEVTXOK without freeing the skb. Since NETDEVTXOK tells the stack the packet was consumed, the sk...

CVE-2026-31628

In the Linux kernel, the following vulnerability has been resolved: x86/CPU: Fix FPDSS on Zen1 Zen1's hardware divider can leave, under certain circumstances, partial results from previous operations. Those results can be leaked by another, attacker thread. Fix that with a chicken bit...

CVE-2026-31635

In the Linux kernel, the following vulnerability has been resolved: rxrpc: fix oversized RESPONSE authenticator length check rxgkverifyresponse decodes authlen from the packet and is supposed to verify that it fits in the remaining bytes. The existing check is inverted, so oversized RESPONSE...

CVE-2026-31636

In the Linux kernel, the following vulnerability has been resolved: rxrpc: fix RESPONSE authenticator parser OOB read rxgkverifyauthenticator copies authlen bytes into a temporary buffer and then passes p + authlen as the parser limit to rxgkdoverifyauthenticator. Since p is a be32 , that inflate...

CVE-2026-31662

In the Linux kernel, the following vulnerability has been resolved: tipc: fix bcackers underflow on duplicate GRPACKMSG The GRPACKMSG handler in tipcgroupprotorcv currently decrements bcackers on every inbound group ACK, even when the same member has already acknowledged the current broadcast...

CVE-2026-31570

In the Linux kernel, the following vulnerability has been resolved: can: gw: fix OOB heap access in cgwcsumcrc8rel cgwcsumcrc8rel correctly computes bounds-safe indices via calcidx: int from = calcidxcrc8-fromidx, cf-len; int to = calcidxcrc8-toidx, cf-len; int res = calcidxcrc8-resultidx, cf-len...

CVE-2026-31625

In the Linux kernel, the following vulnerability has been resolved: HID: alps: fix NULL pointer dereference in alpsrawevent Commit ecfa6f34492c "HID: Add HIDCLAIMEDINPUT guards in rawevent callbacks missing them" attempted to fix up the HID drivers that had missed the previous fix that was done i...

CVE-2026-31586

In the Linux kernel, the following vulnerability has been resolved: mm: blk-cgroup: fix use-after-free in cgwbreleaseworkfn cgwbreleaseworkfn calls cssputwb-blkcgcss and then later accesses wb-blkcgcss again via blkcgunpinonline. If cssput drops the last reference, the blkcg can be freed...

CVE-2026-31642

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix call removal to use RCU safe deletion Fix rxrpc call removal from the rxnet-calls list to use listdelrcu rather than listdelinit to prevent stuffing up reading /proc/net/rxrpc/calls from potentially getting into an...

CVE-2026-31566

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix fence put before wait in amdgpuamdkfdsubmitib amdgpuamdkfdsubmitib submits a GPU job and gets a fence from amdgpuibschedule. This fence is used to wait for job completion. Currently, the code drops the fence...

CVE-2026-31671

In the Linux kernel, the following vulnerability has been resolved: xfrmuser: fix info leak in buildreport struct xfrmuserreport is a u8 proto field followed by a struct xfrmselector which means there is three "empty" bytes of padding, but the padding is never zeroed before copying to userspace...

CVE-2026-31587

In the Linux kernel, the following vulnerability has been resolved: ASoC: qcom: q6apm: move component registration to unmanaged version q6apm component registers dais dynamically from ASoC toplology, which are allocated using device managed version apis. Allocating both component and dynamic dais...

CVE-2026-31598

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix possible deadlock between unlink and dioendiowrite ocfs2unlink takes orphan dir inodelock first and then ipallocsem, while in ocfs2dioendiowrite, it acquires these locks in reverse order. This creates an ABBA lock...

CVE-2026-31655

In the Linux kernel, the following vulnerability has been resolved: pmdomain: imx8mp-blk-ctrl: Keep the NOCHDCP clock enabled Keep the NOCHDCP clock always enabled to fix the potential hang caused by the NoC ADB400 port power down handshake...

CVE-2026-31577

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix NULL iassocinode dereference in nilfsmdtsavetoshadowmap The DAT inode's btree node cache iassocinode is initialized lazily during btree operations. However, nilfsmdtsavetoshadowmap assumes iassocinode is already...

CVE-2026-31660

In the Linux kernel, the following vulnerability has been resolved: nfc: pn533: allocate rx skb before consuming bytes pn532receivebuf reports the number of accepted bytes to the serdev core. The current code consumes bytes into recvskb and may already hand a complete frame to pn533recvframe befo...

CVE-2026-31646

In the Linux kernel, the following vulnerability has been resolved: net: lan966x: fix pagepool error handling in lan966xfdmarxallocpagepool pagepoolcreate can return an ERRPTR on failure. The return value is used unconditionally in the loop that follows, passing the error pointer through...

CVE-2026-31604

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: fix device leak on probe failure Driver core holds a reference to the USB interface and its parent USB device while the interface is bound to a driver and there is no need to take additional references unless the...

CVE-2026-31619

In the Linux kernel, the following vulnerability has been resolved: ALSA: fireworks: bound device-supplied status before string array lookup The status field in an EFW response is a 32-bit value supplied by the firewire device. efrstatusnames has 17 entries so a status value outside that range go...

CVE-2026-31613

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix OOB reads parsing symlink error response When a CREATE returns STATUSSTOPPEDONSYMLINK, smb2checkmessage returns success without any length validation, leaving the symlink parsers as the only defense against an...

CVE-2026-31597

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix use-after-free in ocfs2fault when VMFAULTRETRY filemapfault may drop the mmaplock before returning VMFAULTRETRY, as documented in mm/filemap.c: "If our return value has VMFAULTRETRY set, it's because the mmaplock may b...

CVE-2026-31582

In the Linux kernel, the following vulnerability has been resolved: hwmon: powerz Fix use-after-free on USB disconnect After powerzdisconnect frees the URB and releases the mutex, a subsequent powerzread call can acquire the mutex and call powerzreaddata, which dereferences the freed URB pointer...

CVE-2026-31672

In the Linux kernel, the following vulnerability has been resolved: wifi: rt2x00usb: fix devres lifetime USB drivers bind to USB interfaces and any device managed resources should have their lifetime tied to the interface rather than parent USB device. This avoids issues like memory leaks when...

CVE-2026-31583

In the Linux kernel, the following vulnerability has been resolved: media: em28xx: fix use-after-free in em28xxv4l2open em28xxv4l2open reads dev-v4l2 without holding dev-lock, creating a race with em28xxv4l2init's error path and em28xxv4l2fini, both of which free the em28xxv4l2 struct and set...

CVE-2026-31627

In the Linux kernel, the following vulnerability has been resolved: i2c: s3c24xx: check the size of the SMBUS message before using it The first byte of an i2c SMBUS message is the size, and it should be verified to ensure that it is in the range of 0..I2CSMBUSBLOCKMAX before processing it. This i...

CVE-2026-31596

In the Linux kernel, the following vulnerability has been resolved: ocfs2: handle invalid dinode in ocfs2groupextend BUG kernel BUG at fs/ocfs2/resize.c:308! Oops: invalid opcode: 0000 1 SMP KASAN NOPTI RIP: 0010:ocfs2groupextend+0x10aa/0x1ae0 fs/ocfs2/resize.c:308 Code: 8b8520ff ffff83f8 860f858...

CVE-2026-31612

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate EaNameLength in smb2getea smb2getea reads eareq-EaNameLength from the client request and passes it directly to strncmp as the comparison length without verifying that the length of the name really is the size of t...

CVE-2026-31542

In the Linux kernel, the following vulnerability has been resolved: x86/platform/uv: Handle deconfigured sockets When a socket is deconfigured, it's mapped to SOCKEMPTY 0xffff. This causes a panic while allocating UV hub info structures. Fix this by using NUMANONODE, allowing UV hub info structur...

CVE-2026-31548

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: cancel pmsrfreewk in cfg80211pmsrwdevdown When the nl80211 socket that originated a PMSR request is closed, cfg80211releasepmsr sets the request's nlportid to zero and schedules pmsrfreewk to process the abort...

CVE-2026-31629

In the Linux kernel, the following vulnerability has been resolved: nfc: llcp: add missing return after LLCPCLOSED checks In nfcllcprecvhdlc and nfcllcprecvdisc, when the socket state is LLCPCLOSED, the code correctly calls releasesock and nfcllcpsockput but fails to return. Execution falls throu...

CVE-2026-31647

In the Linux kernel, the following vulnerability has been resolved: idpf: fix PREEMPTRT raw/bh spinlock nesting for async VC handling Switch from using the completion's raw spinlock to a local lock in the idpfvcxn struct. The conversion is safe because complete/all are called outside the lock and...

CVE-2026-31624

In the Linux kernel, the following vulnerability has been resolved: HID: core: clamp reportsize in s32ton to avoid undefined shift s32ton shifts by n-1 where n is the field's reportsize, a value that comes directly from a HID device. The HID parser bounds reportsize only to 32 clamp to the functi...

CVE-2026-31638

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Only put the call ref if one was acquired rxrpcinputpacketonconn can process a to-client packet after the current client call on the channel has already been torn down. In that case chan-call is NULL, rxrpctrygetcall retur...

CVE-2026-31575

In the Linux kernel, the following vulnerability has been resolved: mm/userfaultfd: fix hugetlb fault mutex hash calculation In mfillatomichugetlb, linearpageindex is used to calculate the page index for hugetlbfaultmutexhash. However, linearpageindex returns the index in PAGESIZE units, while...

CVE-2026-31618

In the Linux kernel, the following vulnerability has been resolved: fbdev: tdfxfb: avoid divide-by-zero on FBIOPUTVSCREENINFO Much like commit 19f953e74356 "fbdev: fbpm2fb: Avoid potential divide by zero error", we also need to prevent that same crash from happening in the udlfb driver as it uses...

CVE-2026-31615

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: renesasusb3: validate endpoint index in standard request handlers The GETSTATUS and SET/CLEARFEATURE handlers extract the endpoint number from the host-supplied wIndex without any sort of validation. Fix this up by...

CVE-2026-31551

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: Fix staticbranchdec underflow for aqldisable. syzbot reported staticbranchdec underflow in aqlenablewrite. 0 The problem is that aqlenablewrite does not serialise concurrent writes to the debugfs. aqlenablewrite...

CVE-2026-31554

In the Linux kernel, the following vulnerability has been resolved: futex: Require sysfutexrequeue to have identical flags Nicholas reported that his LLM found it was possible to create a UaF when sysfutexrequeue is used with different flags. The initial motivation for allowing different flags wa...

CVE-2026-31555

In the Linux kernel, the following vulnerability has been resolved: futex: Clear stale exiting pointer in futexlockpi retry path Fuzzying/stressing futexes triggered: WARNING: kernel/futex/core.c:825 at waitforownerexiting+0x7a/0x80, CPU11: futexlockpis/524 When futexlockpiatomic sees the owner i...

CVE-2026-31584

In the Linux kernel, the following vulnerability has been resolved: media: mediatek: vcodec: fix use-after-free in encoder release path The fopsvcodecrelease function frees the context structure ctx without first cancelling any pending or running work in ctx-encodework. This creates a race window...

CVE-2026-31578

In the Linux kernel, the following vulnerability has been resolved: media: as102: fix to not free memory after the device is registered in as102usbprobe In as102usb driver, the following race condition occurs: CPU0 CPU1 as102usbprobe kzalloc; // alloc as102devt .... usbregisterdev; fd =...

CVE-2026-31595

In the Linux kernel, the following vulnerability has been resolved: PCI: endpoint: pci-epf-vntb: Stop cmdhandler work in epfntbepccleanup Disable the delayed work before clearing BAR mappings and doorbells to avoid running the handler after resources have been torn down. Unable to handle kernel...

CVE-2026-31639

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix key reference count leak from call-key When creating a client call in rxrpcallocclientcall, the code obtains a reference to the key. This is never cleaned up and gets leaked when the call is destroyed. Fix this by...

CVE-2026-31606

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fhid: don't call cdevinit while cdev in use When calling unbind, then bind again, cdevinit reinitialized the cdev, even though there may still be references to it. That's the case when the /dev/hidg device is still...

CVE-2026-31611

In the Linux kernel, the following vulnerability has been resolved: ksmbd: require 3 sub-authorities before reading subauth2 parsedacl compares each ACE SID against sidunixNFSmode and on match reads sid.subauth2 as the file mode. If sidunixNFSmode is the prefix S-1-5-88-3 with numsubauth = 2 then...

CVE-2026-31665

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftct: fix use-after-free in timeout object destroy nftcttimeoutobjdestroy frees the timeout object with kfree immediately after nfctuntimeout, without waiting for an RCU grace period. Concurrent packet processing on...

CVE-2026-31581

In the Linux kernel, the following vulnerability has been resolved: ALSA: 6fire: fix use-after-free on disconnect In usb6firechipabort, the chip struct is allocated as the card's private data via sndcardnew with sizeofstruct sfirechip. When sndcardfreewhenclosed is called and no file handles are...

CVE-2026-31623

In the Linux kernel, the following vulnerability has been resolved: net: usb: cdc-phonet: fix skb frags overflow in rxcomplete A malicious USB device claiming to be a CDC Phonet modem can overflow the skbsharedinfo-frags array by sending an unbounded sequence of full-page bulk transfers. Drop the...

CVE-2026-31626

In the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: initialize letmp64 in rtwBIPverify Initialize letmp64 to zero in rtwBIPverify to prevent using uninitialized data. Smatch warns that only 6 bytes are copied to this 8-byte u64 variable, leaving the last two...

CVE-2026-31664

In the Linux kernel, the following vulnerability has been resolved: xfrm: clear trailing padding in buildpolexpire buildexpire clears the trailing padding bytes of struct xfrmuserexpire after setting the hard field via memsetafter, but the analogous function buildpolexpire does not do this for...