CVE-2026-74689 net/atm: fix slab-out-of-bounds read in vcc_setsockopt()

In the Linux kernel, the following vulnerability has been resolved: net/atm: fix slab-out-of-bounds read in vccsetsockopt vccsetsockopt contained an ineffective optlen check: if SOLEVELMATCHoptname, level && optlen != SOSIZEoptname return -EINVAL; If SOLEVELMATCHoptname, level evaluated to false...

CVE-2026-74688 sctp: clear control chunk transport if it is being removed

In the Linux kernel, the following vulnerability has been resolved: sctp: clear control chunk transport if it is being removed sctpmakeheartbeatack caches the destination transport in chunk-transport without taking a reference. When srcoutofasocok is enabled, the HEARTBEAT ACK may remain queued o...

CVE-2026-74686 rqspinlock: Reset tail when preserving queue on deadlock

In the Linux kernel, the following vulnerability has been resolved: rqspinlock: Reset tail when preserving queue on deadlock Currently, the destruction of the waiter queue is suppressed for rqspinlock in cases where a deadlock is detected. Deadlock checks happen relatively frequently on entry for...

CVE-2026-74687 watchdog: at91sam9_wdt: prevent timer rearm during teardown

In the Linux kernel, the following vulnerability has been resolved: watchdog: at91sam9wdt: prevent timer rearm during teardown at91ping rearms the watchdog timer from its callback. timerdelete neither waits for a running callback nor prevents it from rearming the timer, so probe failure or driver...

CVE-2026-74685 hwmon: (ltc4282) Clamp negative current limits

In the Linux kernel, the following vulnerability has been resolved: hwmon: ltc4282 Clamp negative current limits When a negative value is passed to ltc4282writecurr, the signed long val is cast directly to u64: drivers/hwmon/ltc4282.c:ltc4282writecurr / need to pass it in millivolt / u32 in =...

CVE-2026-74683 Input: evdev - sanitize event type index when fetching event masks

In the Linux kernel, the following vulnerability has been resolved: Input: evdev - sanitize event type index when fetching event masks The user-supplied event type index passed to EVIOCGMASK / EVIOCSMASK ioctls is used to index the static counts array in evdevgetmaskcnt and client evmasks array i...

CVE-2026-74684 net: tap: set skb->dev before parsing virtio net header in tap_get_user_xdp()

In the Linux kernel, the following vulnerability has been resolved: net: tap: set skb-dev before parsing virtio net header in tapgetuserxdp The commit 4f61f133f354 "net: tap: NULL pointer derefence in devparseheaderprotocol when skb-dev is null" fixed a crash in tapgetuser by assigning skb-dev...

CVE-2026-74682 ALSA: usb-audio: fix OOB write on Type II inbound URBs

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: fix OOB write on Type II inbound URBs dataepsetparams sizes each URB transfer buffer before it adds the Format Type II transfer delimiter: u-packets = urbpacks; u-buffersize = maxsize u-packets; if fmt-fmttype ==...

CVE-2026-74680 usb: atm: cxacru: properly kill rcv_urb on error in cxacru_cm()

In the Linux kernel, the following vulnerability has been resolved: usb: atm: cxacru: properly kill rcvurb on error in cxacrucm If cxacrucm encounters an error while submitting or waiting for sndurb, it aborts and returns the error without killing the already submitted rcvurb. This leaves the...

CVE-2026-74681 usb: misc: usbio: check ibuf_len against rxbuf_len in bulk msg

In the Linux kernel, the following vulnerability has been resolved: usb: misc: usbio: check ibuflen against rxbuflen in bulk msg ibuflen is the bulk IN receive buffer size, but the EMSGSIZE check in usbiobulkmsg compares it against txbuflen — the bulk OUT endpoint size. Both are taken independent...

CVE-2026-74679 usb: gadget: f_ncm: Use unsigned int for ndp_index

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fncm: Use unsigned int for ndpindex The variable ndpindex is declared as a signed integer, but it stores the return value of getncm, which is unsigned. A malicious host can supply a large offset that overflows the...

CVE-2026-74677 net: usb: ipheth: fix carrier_work UAF on disconnect

In the Linux kernel, the following vulnerability has been resolved: net: usb: ipheth: fix carrierwork UAF on disconnect iphethsndbulkcallback re-arms the carrier-check work on any non-zero URB status: else scheduledelayedwork&dev-carrierwork, 0; Nothing ties that to the interface being up, so the...

CVE-2026-74678 net: usb: ax88179_178a: fix skb leak in ax88179_tx_fixup()

In the Linux kernel, the following vulnerability has been resolved: net: usb: ax88179178a: fix skb leak in ax88179txfixup When the interface has NETIFFSG enabled and skblinearize fails in ax88179txfixup, the function returns NULL without freeing the skb. usbnetstartxmit treats a NULL return from...

CVE-2026-74676 vt: add permission check for KDSKBMETA ioctl

In the Linux kernel, the following vulnerability has been resolved: vt: add permission check for KDSKBMETA ioctl KDSKBMETA modifies keyboard meta mode but lacks the !perm check that all other keyboard setter ioctls in vtkioctl enforce, allowing a process to change meta mode on a non-controlling...

CVE-2026-74675 vt: stabilize tty reference in kbd_keycode with tty_port_tty_get

In the Linux kernel, the following vulnerability has been resolved: vt: stabilize tty reference in kbdkeycode with ttyportttyget kbdkeycode reads vc-port.tty without acquiring a tty reference, racing against conshutdown which clears port.tty under a different lock. Use ttyportttyget/ttykrefput to...

CVE-2026-74674 mm: fix incorrect flush address in direct page table reclaim

In the Linux kernel, the following vulnerability has been resolved: mm: fix incorrect flush address in direct page table reclaim When zappterange reclaims a page table, it does: ptefreetlbtlb, pmdpgtablepmdval, addr; and this is unconditionally wrong: if this code executes, addr always points one...

CVE-2026-74673 Input: evdev - fix information leak in evdev_pass_values()

In the Linux kernel, the following vulnerability has been resolved: Input: evdev - fix information leak in evdevpassvalues In evdevpassvalues, the inputevent structure is allocated on the kernel stack and populated field-by-field. However, it is never fully initialized. On architectures where...

CVE-2026-74672 mm/vmalloc: acquire init_mm lock on huge vmap to avoid ptdump UAF

In the Linux kernel, the following vulnerability has been resolved: mm/vmalloc: acquire initmm lock on huge vmap to avoid ptdump UAF Patch series "mm: fix UAF caused by race between ptdump and vmap pgtable freeing", v6. Kernel page table walkers fall into two broad categories - those ranges where...

CVE-2026-74671 ima: fix out-of-bounds read in xattr_verify()

In the Linux kernel, the following vulnerability has been resolved: ima: fix out-of-bounds read in xattrverify The digest-length check in xattrverify mixes int and sizet: if xattrlen - sizeofxattrvalue-type - hashstart = iint-imahash-length sizeof yields sizet, so the usual arithmetic conversions...

CVE-2026-74669 ipvs: clear IPv4 options after rebasing tunnel ICMP errors

In the Linux kernel, the following vulnerability has been resolved: ipvs: clear IPv4 options after rebasing tunnel ICMP errors ipvsinicmp rebases an skb from the outer ICMP packet to the quoted original request before passing it to icmpsend. However, IPCBskb-opt still describes the outer IPv4...