CVE-2026-64554

CVE-2026-64554 affects the Linux kernel's Netfilter bridge path. The vulnerability occurs in br_ip6_fragment(), which obtains prevhdr (a pointer into the skb head) from ip6_find_1stfragopt() and then calls skb_checksum_help(). For cloned skbs, skb_checksum_help() reallocates the head via pskb_exp...

PT-2026-65229

In the Linux kernel, the following vulnerability has been resolved: netfilter: bridge: fix stale prevhdr pointer in br ip6 fragment br ip6 fragment gets prevhdr, a pointer into the skb head, from ip6 find 1stfragopt, then calls skb checksum help. For a cloned skb skb checksum help reallocates the...

SUSE CVE-2026-64452

In the Linux kernel, the following vulnerability has been resolved: 6lowpan: fix NHC entry use-after-free on error path lowpannhcdouncompression looks up an NHC descriptor while holding lowpannhclock. If the descriptor has no uncompress callback, the error path drops the lock before printing...

CVE-2026-64448

In the Linux kernel, the following vulnerability has been resolved: smb: client: restrict implied bcc0 exemption to responses without data area smb2checkmessage has a long-standing quirk that accepts a response whose calculated length is one byte larger than the bytes actually received "server ca...

CVE-2026-64431

In the Linux kernel, the following vulnerability has been resolved: ntfs: avoid calling postwritemstfixup for invalid indexblock ntfsicxibsyncwrite calls postwritemstfixup when ntfsibwrite returns an error, intending to restore the buffer after a failed write. However, ntfsibwrite returns an erro...

CVE-2026-64347

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: composite: fix dead empty check in the USBDTOTG handler The OTG branch of compositesetup falls back to the first configuration when none is selected: if cdev-config config = cdev-config; else config =...

UBUNTU-CVE-2026-64347

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: composite: fix dead empty check in the USBDTOTG handler The OTG branch of compositesetup falls back to the first configuration when none is selected: if cdev-config config = cdev-config; else config =...

CVE-2026-64469

CVE-2026-64469 is about a use-after-free in the Linux kernel Binder subsystem (binder_thread_release). The issue occurs when a thread exits and the code walks the transaction stack to clear t->from and t->to_proc; if a process dies in parallel, some transactions may be freed without holding...

CVE-2026-64449 staging: vme_user: bound slave read/write to the kern_buf size

In the Linux kernel, the following vulnerability has been resolved: staging: vmeuser: bound slave read/write to the kernbuf size The SLAVE-path helpers buffertouser and bufferfromuser copy 'count' bytes into/out of the fixed-size kernbuf sizebuf == PCIBUFSIZE == 0x20000, 128 KiB using ppos as the...

CVE-2026-64448 smb: client: restrict implied bcc[0] exemption to responses without data area

In the Linux kernel, the following vulnerability has been resolved: smb: client: restrict implied bcc0 exemption to responses without data area smb2checkmessage has a long-standing quirk that accepts a response whose calculated length is one byte larger than the bytes actually received "server ca...

CVE-2026-64448

Summary (CVE-2026-64448): The Linux kernel fix addresses a SMB2 negotiation bug in CIFS/NTLM handling. A long-standing quirk in smb2_check_message() unconditionally granted a +1 length exemption for responses, even when a data area was present. This could cause the decoder to read past the receiv...

CVE-2026-64439 crypto: krb5 - filter out async aead implementations at alloc

In the Linux kernel, the following vulnerability has been resolved: crypto: krb5 - filter out async aead implementations at alloc krb5aeadencrypt, krb5aeaddecrypt in rfc3961simplified.c and rfc8009encrypt, rfc8009decrypt in rfc8009aes2.c set a NULL completion callback and treat any negative retur...

EUVD-2026-48775

In the Linux kernel, the following vulnerability has been resolved: ntfs: avoid calling postwritemstfixup for invalid indexblock ntfsicxibsyncwrite calls postwritemstfixup when ntfsibwrite returns an error, intending to restore the buffer after a failed write. However, ntfsibwrite returns an erro...

CVE-2026-64431

Summary of CVE-2026-64431 (Linux kernel NTFS driver): A memory corruption vulnerability arises when post_write_mst_fixup() is called for an invalid index_block after ntfs_ib_write() returns an error. The root cause is that ntfs_icx_ib_sync_write() treated any error as a write failure and invoked ...

CVE-2026-64431 ntfs: avoid calling post_write_mst_fixup() for invalid index_block

In the Linux kernel, the following vulnerability has been resolved: ntfs: avoid calling postwritemstfixup for invalid indexblock ntfsicxibsyncwrite calls postwritemstfixup when ntfsibwrite returns an error, intending to restore the buffer after a failed write. However, ntfsibwrite returns an erro...

Linux Distros Unpatched Vulnerability : CVE-2026-64424

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - netpoll: fix a use-after-free on shutdown path There is a use-after-free error on netpoll, which is clearly detected by KASAN. BUG: KASAN: slab-use-after-free ...

Linux Distros Unpatched Vulnerability : CVE-2026-64434

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: L2CAP: Fix UAF in channel timeout by holding conn ref l2capchantimeout runs asynchronously and accesses chan-conn. If the connection is torn down whi...

CVE-2026-64223 wifi: mac80211: consume only present negotiated TTLM maps

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: consume only present negotiated TTLM maps ieee80211tidtolinkmapsizeok validates negotiated TTLM elements against the number of link-map entries indicated by linkmappresence. ieee80211parsenegttlm must consume the...

SUSE CVE-2026-63905

In the Linux kernel, the following vulnerability has been resolved: usbip: vudc: Fix use after free bug in vudcremove due to race condition This patch follows up Zheng Wang's 2023 report of a use-after-free in vudcremove. The original thread stalled on Shuah Khan's request for runtime testing of...

EUVD-2026-46007

In the Linux kernel, the following vulnerability has been resolved: xfs: fail recovery on a committed log item with no regions If the first op of a transaction is a bare transaction header len == sizeofstruct xfstransheader, xlogrecoveraddtotrans adds an item but no region, leaving it on ritemq...