CVE-2026-90164 smb/server: abort initialization when proc setup fails

In the Linux kernel, the following vulnerability has been resolved: smb/server: abort initialization when proc setup fails ksmbdserverinit calls ksmbdprocinit before creating the remaining proc entries and server subsystems. ksmbdprocinit tears down partial state on a procfs or percpucounter...

CVE-2026-90163 smb/server: call ksmbd_proc_cleanup() on module init failure

In the Linux kernel, the following vulnerability has been resolved: smb/server: call ksmbdproccleanup on module init failure When a later initializer fails, the unwind chain releases resources created after procfs and then jumps directly to classunregister. Returning an error from moduleinit leav...

CVE-2026-90162 ksmbd: defer publishing granted locks to prevent UAF/double-free race

In the Linux kernel, the following vulnerability has been resolved: ksmbd: defer publishing granted locks to prevent UAF/double-free race In smb2lock, mid-batch granted locks are published to connection-wide conn-locklist and file-wide fp-locklist lists immediately upon vfslockfile success, while...

CVE-2026-90161 erofs: fix interlaced ztailpacking pclusters

In the Linux kernel, the following vulnerability has been resolved: erofs: fix interlaced ztailpacking pclusters On-disk sizes of interlaced pclusters should be block-aligned, and ztailpacking interlaced pclusters should be invalid at all. Currently, mkfs.erofs won't generate any interlaced...

CVE-2026-90160 lwt_bpf: Restore reserved headroom after xmit program

In the Linux kernel, the following vulnerability has been resolved: lwtbpf: Restore reserved headroom after xmit program ipfinishoutput2 expands an skb to LLRESERVEDSPACEdev before LWT xmit. An LWTXMIT BPF program can then modify the skb head and still return BPFOK, so bpfxmit rechecks the...

CVE-2026-90159 bpf: Disallow bpf_{g,s}etsockopt() in cgroup UNIX getname hooks

In the Linux kernel, the following vulnerability has been resolved: bpf: Disallow bpfg,setsockopt in cgroup UNIX getname hooks bpfsetsockopt and bpfgetsockopt call sockownedbyme for full sockets, so these helpers expect the socket lock to be held. BPFCGROUPUNIXGETPEERNAME and...

CVE-2026-90158 m68k: nfcon: Do not call console_is_registered() in nfcon_device()

In the Linux kernel, the following vulnerability has been resolved: m68k: nfcon: Do not call consoleisregistered in nfcondevice Since 7c2af0f634f1 "tty: ttyio: use consolelistlock for list synchronization" showconsactive calls the .device method under the consolelistlock, but consoleisregistered...

CVE-2026-90157 bpf: Reject negative optlen in cgroup getsockopt hook

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject negative optlen in cgroup getsockopt hook A cgroup getsockopt BPF program can shrink ctx-optlen after the kernel getsockopt handler has run. The kernel-buffer variant, used by TCPZEROCOPYRECEIVE, only rejects values...

CVE-2026-90156 ksmbd: safely discard unregistered deferred locks

In the Linux kernel, the following vulnerability has been resolved: ksmbd: safely discard unregistered deferred locks When vfslockfile defers a lock, smb2lock puts its ksmbdlock on rollbacklist before allocating and registering the asynchronous work. If either operation fails, rollback assumes th...

CVE-2026-90155 ksmbd: detach blocked lock requests before freeing

In the Linux kernel, the following vulnerability has been resolved: ksmbd: detach blocked lock requests before freeing A filelock retained by ksmbd for byte-range lock bookkeeping can still be part of the VFS blocked-request graph. In particular, the VFS can chain a new waiter below an already...

CVE-2026-90154 ksmbd: scope session state changes to bound connections

In the Linux kernel, the following vulnerability has been resolved: ksmbd: scope session state changes to bound connections ksmbdallconnsetstatus treats every connection whose transient binding flag is set as belonging to the target SessionId. A logoff or session replacement can consequently move...

CVE-2026-90153 ksmbd: bound smb_check_perm_dacl() ACE walks by DACL size

In the Linux kernel, the following vulnerability has been resolved: ksmbd: bound smbcheckpermdacl ACE walks by DACL size smbcheckpermdacl validates that the DACL fits inside the NT security descriptor, but then bounds its two ACE walks by the remaining NTSD length aclsize rather than the DACL's...

CVE-2026-90152 smb/server: fix session leak in ksmbd_session_register()

In the Linux kernel, the following vulnerability has been resolved: smb/server: fix session leak in ksmbdsessionregister See the procedure below: smb2sesssetup ksmbdsmb2sessioncreate sessioncreate atomicset&sess-refcnt, 2 hashaddsessionstable, &sess-hlist, sess-id ksmbdsessionregister...

CVE-2026-90150 pnfs/blocklayout: Fix device leaks on parse failure

In the Linux kernel, the following vulnerability has been resolved: pnfs/blocklayout: Fix device leaks on parse failure blparseconcat and blparsestripe allocate a child device array and then parse each child in turn. If parsing a child fails, the failed child is not counted in nrchildren and the...

CVE-2026-90151 NFSv4: remove callback IDR entry on client allocation failure

In the Linux kernel, the following vulnerability has been resolved: NFSv4: remove callback IDR entry on client allocation failure nfs4allocclient allocates an NFSv4.0 callback identifier before it finishes setting up the client. If any later initialization step fails, the error path frees the...

CVE-2026-90149 NFSv4/flexfiles: fix NULL dereference for NFSv4.0 data servers

In the Linux kernel, the following vulnerability has been resolved: NFSv4/flexfiles: fix NULL dereference for NFSv4.0 data servers flexfiles accepts NFSv4.0 data servers, but two NFSv4 code paths assume the data server client has a session. Unlike NFSv4.1+, an NFSv4.0 client has no session...

CVE-2026-90147 clk: devres: fix cleanup in devm_clk_get_optional_enabled_with_rate()

In the Linux kernel, the following vulnerability has been resolved: clk: devres: fix cleanup in devmclkgetoptionalenabledwithrate devmclkgetoptionalenabledwithrate registers its cleanup action before setting the clock rate. If setting the rate fails, it attempts to disable and unprepare a clock...

CVE-2026-90148 NFSv4: Fix incorrect argument passed to nfs4_delete_lease() in nfs4_add_lease()

In the Linux kernel, the following vulnerability has been resolved: NFSv4: Fix incorrect argument passed to nfs4deletelease in nfs4addlease When nfs4addlease races with a delegation return, it calls nfs4deletelease to clean up. Previously, it passed priv, which can legitimately be NULL. Passing a...

CVE-2026-90145 hinic3: Fix skb linearization mismatch and drop skb when skb_checksum_help() failed

In the Linux kernel, the following vulnerability has been resolved: hinic3: Fix skb linearization mismatch and drop skb when skbchecksumhelp failed Previously, hinic3sendoneskb cached the skb fragment count before calling hinic3txoffload. If hinic3txcsum falls back to skbchecksumhelp for...

CVE-2026-90146 bpf, xdp: move offload check into dev_xdp_install()

In the Linux kernel, the following vulnerability has been resolved: bpf, xdp: move offload check into devxdpinstall bpfxdplinkupdate calls devxdpinstall directly and skips devxdpattach, so the checks in devxdpattach do not run. A user can make an XDP link with a normal program and then swap in an...

CVE-2026-90144 dpll: fix NULL deref in dpll_device_ops() during teardown race

In the Linux kernel, the following vulnerability has been resolved: dpll: fix NULL deref in dplldeviceops during teardown race When the last owner of a dpll device unregisters while a foreign driver still holds a pin on it via dpllpinonpinregister, the dpll object stays alive with an empty...

CVE-2026-90143 net: kcm: Hold RCU read lock while running BPF parser

In the Linux kernel, the following vulnerability has been resolved: net: kcm: Hold RCU read lock while running BPF parser kcmparsefuncstrparser calls bpfprogrunpinoncpu which prevents CPU migration, but does not establish an RCU read-side critical section. Consequently, BPF map operations can...

CVE-2026-90142 virtio_net: Fix resize of the RX ring

In the Linux kernel, the following vulnerability has been resolved: virtionet: Fix resize of the RX ring When a AFXDP socket is attached, the virtnetrxresize should resize the rq-xskbuffs XSK buffer array. Otherwise, when the size grows, the virtnetrxresume causes a write past the end of the arra...

CVE-2026-90141 ipvs: fix integer overflow in ftp helper port/address parsing

In the Linux kernel, the following vulnerability has been resolved: ipvs: fix integer overflow in ftp helper port/address parsing ipvsftpgetaddrport accumulates decimal digits into a u16 hport and into unsigned char p without checking for overflow. A crafted FTP PASV/EPSV response with an over-lo...

CVE-2026-90140 cuse: wait for pending RCU callbacks on module exit

In the Linux kernel, the following vulnerability has been resolved: cuse: wait for pending RCU callbacks on module exit Since commit 053fc4f755ad "fuse: fix UAF in rcu pathwalks", fuseconnput frees the fuseconn through callrcu rather than synchronously. For cuse, fc-release is cusefcrelease, whic...

CVE-2026-90139 fuse: check for NULL root inode in fuse_fill_super_submount

In the Linux kernel, the following vulnerability has been resolved: fuse: check for NULL root inode in fusefillsupersubmount fuseiget can return NULL when its inode allocation fails, but fusefillsupersubmount passed the result straight to getfuseinode and decremented fi-nlookup without checking i...

CVE-2026-90138 vsock: don't check the listener's sk_err in vsock_accept()

In the Linux kernel, the following vulnerability has been resolved: vsock: don't check the listener's skerr in vsockaccept Syzbot reported an issue which can be reproduced with these steps: r0 = socketAFVSOCK, SOCKSTREAM, 0 bindr0, VMADDRCIDANY, PORT connectr0, VMADDRCIDLOCAL, PORT - -1, EPROTO...

CVE-2026-90137 platform/x86: hp-bioscfg: fix password encoding bounds check

In the Linux kernel, the following vulnerability has been resolved: platform/x86: hp-bioscfg: fix password encoding bounds check The password PSWDENCODINGS parser reads passwordobjelem + posvalues while copying the supported password encodings from the ACPI package. The outer loop only guarantees...

CVE-2026-90136 platform/x86/amd/hsmp: Reject negative power cap writes in hwmon

In the Linux kernel, the following vulnerability has been resolved: platform/x86/amd/hsmp: Reject negative power cap writes in hwmon hsmphwmonwrite takes the user-supplied hwmon value as a signed long and assigns "val / MICROWATTPERMILLIWATT" to msg.args0, which is a u32. MICROWATTPERMILLIWATT is...

CVE-2026-90135 net: add missing ref_tracker_dir_exit() to alloc_netdev_mqs()

In the Linux kernel, the following vulnerability has been resolved: net: add missing reftrackerdirexit to allocnetdevmqs sashiko is reporting that trying to read /sys/kernel/debug/reftracker/ causes use-afer-free crash when either allocpercpu or devaddrinit in allocnetdevmqs failed, for commit...

CVE-2026-90134 ntfs: fix kmap_local_page() usage in compress

In the Linux kernel, the following vulnerability has been resolved: ntfs: fix kmaplocalpage usage in compress Several compressed I/O paths discard the address returned by kmaplocalpage and later access or unmap the page using pageaddress. This is invalid for highmem pages, and local mappings must...

CVE-2026-90133 ntfs: Fix index_root heap OOB write in ntfs_ir_to_ib()

In the Linux kernel, the following vulnerability has been resolved: ntfs: Fix indexroot heap OOB write in ntfsirtoib ntfsirtoib copies all entries from indexroot into a freshly allocated indexblocksize-byte buffer without verifying that the entries fit in the available space. The entries in...

CVE-2026-90132 ntfs: reject unprivileged writes to reserved $LX* xattrs

In the Linux kernel, the following vulnerability has been resolved: ntfs: reject unprivileged writes to reserved $LX xattrs Reject setxattr of the reserved $LXUID, $LXGID, $LXMOD and $LXDEV names from userspace unless the caller has CAPSYSADMIN...

CVE-2026-90131 ntfs: serialize resident iomap reads with mrec_lock

In the Linux kernel, the following vulnerability has been resolved: ntfs: serialize resident iomap reads with mreclock ntfsreadiomapbeginresident walks the MFT record through ntfsattrlookup - ntfsattrfind without taking ni-mreclock, while ntfsattrrecordresize, ntfsmakeroomforattr and...

CVE-2026-90130 vdpa_sim: fix cleanup after worker creation failure

In the Linux kernel, the following vulnerability has been resolved: vdpasim: fix cleanup after worker creation failure vdpasimcreate leaves vdpasim-worker as an ERRPTR when kthreadrunworker fails. The error path then drops the device reference, which releases the partially initialized simulator...

CVE-2026-90129 virtio_balloon: quiesce balloon work before device shutdown

In the Linux kernel, the following vulnerability has been resolved: virtioballoon: quiesce balloon work before device shutdown Commit 8bd2fa086a04 "virtio: break and reset virtio devices on deviceshutdown" added a generic virtio bus .shutdown handler that breaks and resets every virtio device...

CVE-2026-90128 vdpa/mlx5: fix wrong list iterated in add_direct_chain error path

In the Linux kernel, the following vulnerability has been resolved: vdpa/mlx5: fix wrong list iterated in adddirectchain error path In adddirectchain, newly allocated direct MR entries are added to the local list 'tmp', which is spliced into mr-head only on success. On the error path, the cleanup...

CVE-2026-90127 virtio: rtc: time out alarm requests

In the Linux kernel, the following vulnerability has been resolved: virtio: rtc: time out alarm requests RTC class operations run with rtcdevice.opslock held. The virtio RTC alarm requests currently wait without a timeout for the device to return their requestq buffers. On surprise removal,...

CVE-2026-90126 rtc: pcf8563: fix clock provider leak on unbind

In the Linux kernel, the following vulnerability has been resolved: rtc: pcf8563: fix clock provider leak on unbind pcf8563clkoutregisterclk registers the CLKOUT clock provider with ofclkaddprovider, but nothing ever unwinds it: there is no ofclkdelprovider call and the driver has no remove...

CVE-2026-90124 irqchip/renesas-rzg2l: Fix loss of interrupt

In the Linux kernel, the following vulnerability has been resolved: irqchip/renesas-rzg2l: Fix loss of interrupt rzg2lclearirqint and rzg2lcleartintint perform a read-modify-write on the ISCR/TSCR status registers to clear the bit for the interrupt just handled. Since these registers are...

CVE-2026-90125 smb: client: fix request buffer leak in smb2_new_read_req()

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix request buffer leak in smb2newreadreq smb2newreadreq allocates the request buffer with smb2plainreqinit but only publishes it to the caller with buf = req at the very end of the function. Two error returns sit in...

CVE-2026-90123 irqchip/ast2700-intc: Avoid allocating in the irq_domain activate() callback

In the Linux kernel, the following vulnerability has been resolved: irqchip/ast2700-intc: Avoid allocating in the irqdomain activate callback The interrupt core calls the irqdomainactivate callback from setupirq with desc-lock held and interrupts disabled. Both aspeedintc1irqdomainactivate and...

CVE-2026-90122 clk: visconti: Make sure clk_init_data is fully initialized

In the Linux kernel, the following vulnerability has been resolved: clk: visconti: Make sure clkinitdata is fully initialized The clkinitdata structure contains several mutually-exclusive members for different methods to specify the possible parents of a clock, prompting drivers to initialize onl...

CVE-2026-90121 irqchip/gic-v5: Clear per-CPU IRS data on teardown

In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v5: Clear per-CPU IRS data on teardown IRS affinity setup publishes an IRS pointer and IAFFID state in the per-CPU data before the remaining IRS initialization can fail. The error path then frees the IRS data without...

CVE-2026-90120 irqchip/gic-v5: Check get_logical_index() return value in MADT IAFFID parsing

In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v5: Check getlogicalindex return value in MADT IAFFID parsing In gicacpiparseiaffid a given MADT GICC entry might not correspond to a logical cpu recognized by the kernel, resulting in the cpu variable initialization ...

CVE-2026-90119 ALSA: ice1712: Fix the card leak at probe error with the auto-cleanup

In the Linux kernel, the following vulnerability has been resolved: ALSA: ice1712: Fix the card leak at probe error with the auto-cleanup sndice1712probe performs multiple initialization steps after sndcardnew, but directly returns on failures from later steps without releasing the ALSA card,...

CVE-2026-90118 ntfs: fix off-by-one page overflow in ntfs_decompress()

In the Linux kernel, the following vulnerability has been resolved: ntfs: fix off-by-one page overflow in ntfsdecompress The per-token range check in ntfsdecompress uses if cb = cbsbend || dpaddr dpsbend break; so dpaddr == dpsbend falls through to the symbol copy dpaddr++ = cb++, writing one byt...

CVE-2026-90117 ntfs: validate usa_ofs before preserving the update sequence number

In the Linux kernel, the following vulnerability has been resolved: ntfs: validate usaofs before preserving the update sequence number When ntfsmftrecordalloc reuses a free mft record it reads the old update sequence number straight from the on-disk record: usn = le16 u8 m + le16tocpum-usaofs; He...

CVE-2026-90116 ALSA: mtpav: shut down output timer before card teardown

In the Linux kernel, the following vulnerability has been resolved: ALSA: mtpav: shut down output timer before card teardown sndmtpavoutputtimer rearms chip-timer while holding chip-spinlock and accesses the card-private mtpav state. sndmtpavfree currently takes the same lock and calls timerdelet...

CVE-2026-90115 xsk: fix NULL pointer dereference in __xsk_rcv()

In the Linux kernel, the following vulnerability has been resolved: xsk: fix NULL pointer dereference in xskrcv In the xskrcv multi-buffer path, xskbuffalloc is called in a loop without checking its return value. xskbuffcanalloc only counts fill queue entries without validating their addresses, s...