CVE-2026-23289

In the Linux kernel, the following vulnerability has been resolved: IB/mthca: Add missed mthcaunmapuserdb for mthcacreatesrq Fix a user triggerable leak on the system call failure path...

CVE-2026-23395

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix accepting multiple L2CAPECREDCONNREQ Currently the code attempts to accept requests regardless of the command identifier which may cause multiple requests to be marked as pending FLAGDEFERSETUP which can cau...

CVE-2026-23335

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Fix kernel stack leak in irdmacreateuserah struct irdmacreateahresp // 8 bytes, no padding u32 ahid; // offset 0 - SET uresp.ahid = ah-scah.ahinfo.ahidx u8 rsvd4; // offset 4 - NEVER SET - LEAK ; rsvd4: 4 bytes of sta...

CVE-2026-23297

In the Linux kernel, the following vulnerability has been resolved: nfsd: Fix cred ref leak in nfsdnlthreadssetdoit. syzbot reported memory leak of struct cred. 0 nfsdnlthreadssetdoit passes getcurrentcred to nfsdsvc, but putcred is not called after that. The cred is finally passed down to...

CVE-2026-23366

In the Linux kernel, the following vulnerability has been resolved: drm/client: Do not destroy NULL modes 'modes' in drmclientmodesetprobe may fail to kcalloc. If this occurs, we jump to 'out', calling modesdestroy on it, which dereferences it. This may result in a NULL pointer dereference in the...

CVE-2026-23378

In the Linux kernel, the following vulnerability has been resolved: net/sched: actife: Fix metalist update behavior Whenever an ife action replace changes the metalist, instead of replacing the old data on the metalist, the current ife code is appending the new metadata. Aside from being...

CVE-2026-23365

In the Linux kernel, the following vulnerability has been resolved: net: usb: kalmia: validate USB endpoints The kalmia driver should validate that the device it is probing has the proper number and types of USB endpoints it is expecting before it binds to it. If a malicious device were to not ha...

CVE-2026-23358

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix error handling in slot reset If the device has not recovered after slot reset is called, it goes to out label for error handling. There it could make decision based on uninitialized hive pointer and could result i...

CVE-2026-23326

In the Linux kernel, the following vulnerability has been resolved: xsk: Fix fragment node deletion to prevent buffer leak After commit b692bf9a7543 "xsk: Get rid of xdpbuffxsk::xskblistnode", the listnode field is reused for both the xskb pool list and the buffer free list, this causes a buffer...

CVE-2026-23386

In the Linux kernel, the following vulnerability has been resolved: gve: fix incorrect buffer cleanup in gvetxcleanpendingpackets for QPL In DQ-QPL mode, gvetxcleanpendingpackets incorrectly uses the RDA buffer cleanup path. It iterates numbufs times and attempts to unmap entries in the dma array...

CVE-2026-23368

In the Linux kernel, the following vulnerability has been resolved: net: phy: register phy ledtriggers during probe to avoid AB-BA deadlock There is an AB-BA deadlock when both LEDSTRIGGERNETDEV and LEDTRIGGERPHY are enabled: 1362.049207 ledtriggerregister+0x5c/0x1fc...

CVE-2026-23359

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix stack-out-of-bounds write in devmap getupperifindexes iterates over all upper devices and writes their indices into an array without checking bounds. Also the callers assume that the max number of upper devices is...

CVE-2026-31788

In the Linux kernel, the following vulnerability has been resolved: xen/privcmd: restrict usage in unprivileged domU The Xen privcmd driver allows to issue arbitrary hypercalls from user space processes. This is normally no problem, as access is usually limited to root and the hypervisor will den...

CVE-2026-23361

In the Linux kernel, the following vulnerability has been resolved: PCI: dwc: ep: Flush MSI-X write before unmapping its ATU entry Endpoint drivers use dwpcieepraisemsixirq to raise an MSI-X interrupt to the host using a writel, which generates a PCI posted write transaction. There's no completio...

CVE-2026-23281

In the Linux kernel, the following vulnerability has been resolved: wifi: libertas: fix use-after-free in lbsfreeadapter The lbsfreeadapter function uses timerdelete non-synchronous for both commandtimer and txlockuptimer before the structure is freed. This is incorrect because timerdelete does n...

CVE-2026-23389

In the Linux kernel, the following vulnerability has been resolved: ice: Fix memory leak in icesetringparam In icesetringparam, txrings and xdprings are allocated before rxrings. If the allocation of rxrings fails, the code jumps to the done label leaking both txrings and xdprings. Furthermore, i...

CVE-2026-23388

In the Linux kernel, the following vulnerability has been resolved: Squashfs: check metadata block offset is within range Syzkaller reports a "general protection fault in squashfscopydata" This is ultimately caused by a corrupted index look-up table, which produces a negative metadata block offse...

CVE-2026-23285

In the Linux kernel, the following vulnerability has been resolved: drbd: fix null-pointer dereference on local read error In drbdrequestendio, READCOMPLETEDWITHERROR is passed to reqmod with a NULL peerdevice: reqmodreq, what, NULL, &m; The READCOMPLETEDWITHERROR handler then unconditionally...

CVE-2026-23357

In the Linux kernel, the following vulnerability has been resolved: can: mcp251x: fix deadlock in error path of mcp251xopen The mcp251xopen function call freeirq in its error path with the mpclock mutex held. But if an interrupt already occurred the interrupt handler will be waiting for the mpclo...

CVE-2026-23376

In the Linux kernel, the following vulnerability has been resolved: nvmet-fcloop: Check remoteport portstate before calling done callback In nvmefchandlelsrqstwork, the lsrsp-done callback is only set when remoteport-portstate is FCOBJSTATEONLINE. Otherwise, the nvmefcxmtlsrsp's LLDD call to...

CVE-2026-23319

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix a UAF issue in bpftrampolinelinkcgroupshim The root cause of this bug is that when 'bpflinkput' reduces the refcount of 'shimlink-link.link' to zero, the resource is considered released but may still be referenced via...

CVE-2026-23325

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: Fix possible oob access in mt7996macwritetxwi80211 Check frame length before accessing the mgmt fields in mt7996macwritetxwi80211 in order to avoid a possible oob access...

CVE-2026-23379

In the Linux kernel, the following vulnerability has been resolved: net/sched: ets: fix divide by zero in the offload path Offloading ETS requires computing each class' WRR weight: this is done by averaging over the sums of quanta as 'qsum' and 'qpsum'. Using unsigned int, the same integer size a...

CVE-2026-23318

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Use correct version for UAC3 header validation The entry of the validators table for UAC3 AC header descriptor is defined with the wrong protocol version UACVERSION2, while it should have been UACVERSION3. This...

CVE-2026-23374

In the Linux kernel, the following vulnerability has been resolved: blktrace: fix thiscpuread/write in preemptible context tracingrecordcmdline internally uses thiscpuread and thiscpuwrite on the per-CPU variable tracecmdlinesave, and tracesavecmdline explicitly asserts preemption is disabled via...

CVE-2026-23391

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtCT: drop pending enqueued packets on template removal Templates refer to objects that can go away while packets are sitting in nfqueue refer to: - helper, this can be an issue on module removal. - timeout policy,...

CVE-2026-23352

In the Linux kernel, the following vulnerability has been resolved: x86/efi: defer freeing of boot services memory efifreebootservices frees memory occupied by EFIBOOTSERVICESCODE and EFIBOOTSERVICESDATA using memblockfreelate. There are two issue with that: memblockfreelate should be used for...

CVE-2026-23362

In the Linux kernel, the following vulnerability has been resolved: can: bcm: fix locking for bcmop runtime updates Commit c2aba69d0c36 "can: bcm: add locking for bcmop runtime updates" added a locking for some variables that can be modified at runtime when updating the sending bcmop with a new...

CVE-2026-23316

In the Linux kernel, the following vulnerability has been resolved: net: ipv4: fix ARM64 alignment fault in multipath hash seed struct sysctlfibmultipathhashseed contains two u32 fields userseed and mpseed, making it an 8-byte structure with a 4-byte alignment requirement. In...

CVE-2026-23307

In the Linux kernel, the following vulnerability has been resolved: can: emsusb: emsusbreadbulkcallback: check the proper length of a message When looking at the data in a USB urb, the actuallength is the size of the buffer passed to the driver, not the transferbufferlength which is set by the...

CVE-2026-23364

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Compare MACs in constant time To prevent timing attacks, MAC comparisons need to be constant-time. Replace the memcmp with the correct function, cryptomemneq...

CVE-2026-23387

In the Linux kernel, the following vulnerability has been resolved: pinctrl: cirrus: cs42l43: Fix double-put in cs42l43pinprobe devmaddactionorreset already invokes the action on failure, so the explicit put causes a double-put...

CVE-2026-23315

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: Fix possible oob access in mt76connac2macwritetxwi80211 Check frame length before accessing the mgmt fields in mt76connac2macwritetxwi80211 in order to avoid a possible oob access. fix check to also cover...

CVE-2026-23339

In the Linux kernel, the following vulnerability has been resolved: nfc: nci: free skb on ncitransceive early error paths ncitransceive takes ownership of the skb passed by the caller, but the -EPROTO, -EINVAL, and -EBUSY error paths return without freeing it. Due to issues clearing NCIDATAEXCHAN...

CVE-2026-23345

In the Linux kernel, the following vulnerability has been resolved: arm64: gcs: Do not set PTESHARED on GCS mappings if FEATLPA2 is enabled When FEATLPA2 is enabled, bits 8-9 of the PTE replace the shareability attribute with bits 50-51 of the output address. The PAGEGCS,RO definitions include th...

CVE-2026-23310

In the Linux kernel, the following vulnerability has been resolved: bpf/bonding: reject vlan+srcmac xmithashpolicy change when XDP is loaded bondoptionmodeset already rejects mode changes that would make a loaded XDP program incompatible via bondxdpcheck. However, bondoptionxmithashpolicyset has ...

CVE-2026-23308

In the Linux kernel, the following vulnerability has been resolved: pinctrl: equilibrium: fix warning trace on load The callback functions 'eqbrirqmask' and 'eqbrirqack' are also called in the callback function 'eqbrirqmaskack'. This is done to avoid source code duplication. The problem, is that ...

CVE-2026-23331

In the Linux kernel, the following vulnerability has been resolved: udp: Unhash auto-bound connected sk from 4-tuple hash table when disconnected. Let's say we bind an UDP socket to the wildcard address with a non-zero port, connect it to an address, and disconnect it from the address. bind sets...

CVE-2026-23363

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7925: Fix possible oob access in mt7925macwritetxwi80211 Check frame length before accessing the mgmt fields in mt7925macwritetxwi80211 in order to avoid a possible oob access...

CVE-2026-23324

In the Linux kernel, the following vulnerability has been resolved: can: usb: etases58x: correctly anchor the urb in the read bulk callback When submitting an urb, that is using the anchor pattern, it needs to be anchored before submitting it otherwise it could be leaked if usbkillanchoredurbs is...

CVE-2026-23338

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/userq: Do not allow userspace to trivially triger kernel warnings Userspace can either deliberately pass in the too small numfences, or the required number can legitimately grow between the two calls to the userq wait...

CVE-2026-23356

In the Linux kernel, the following vulnerability has been resolved: drbd: fix "LOGIC BUG" in drbdalbeginiononblock Even though we check that we "should" be able to do lcgetcumulative while holding the device-allock spinlock, it may still fail, if some other code path decided to do lctrylock with...

CVE-2026-23373

In the Linux kernel, the following vulnerability has been resolved: wifi: rsi: Don't default to -EOPNOTSUPP in rsimac80211config This triggers a WARNON in ieee80211hwconfinit and isn't the expected behavior from the driver - other drivers default to 0 too...

CVE-2026-23302

In the Linux kernel, the following vulnerability has been resolved: net: annotate data-races around sk-skdataready,writespace skmsg and probably other layers are changing these pointers while other cpus might read them concurrently. Add corresponding READONCE/WRITEONCE annotations for UDP, TCP an...

CVE-2026-23330

In the Linux kernel, the following vulnerability has been resolved: nfc: nci: complete pending data exchange on device close In nciclosedevice, complete any pending data exchange before closing. The data exchange callback e.g. rawsockdataexchangecomplete holds a socket reference. NIPA occasionall...

CVE-2026-23327

In the Linux kernel, the following vulnerability has been resolved: cxl/mbox: validate payload size before accessing contents in cxlpayloadfromuserallowed cxlpayloadfromuserallowed casts and dereferences the input payload without first verifying its size. When a raw mailbox command is sent with a...

CVE-2026-23287

In the Linux kernel, the following vulnerability has been resolved: irqchip/sifive-plic: Fix frozen interrupt due to affinity setting PLIC ignores interrupt completion message for disabled interrupt, explained by the specification: The PLIC signals it has completed executing an interrupt handler ...

CVE-2026-23321

In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: in-kernel: always mark signal+subflow endp as used Syzkaller managed to find a combination of actions that was generating this warning: msk-pm.localaddrused == 0 WARNING: net/mptcp/pmkernel.c:1071 at...

CVE-2026-23336

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: cancel rfkillblock work in wiphyunregister There is a use-after-free error in cfg80211shutdownallinterfaces found by syzkaller: BUG: KASAN: use-after-free in cfg80211shutdownallinterfaces+0x213/0x220 Read of size ...

CVE-2026-23347

In the Linux kernel, the following vulnerability has been resolved: can: usb: f81604: correctly anchor the urb in the read bulk callback When submitting an urb, that is using the anchor pattern, it needs to be anchored before submitting it otherwise it could be leaked if usbkillanchoredurbs is...