CVE-2026-63922

In the Linux kernel, the following vulnerability has been resolved: ipv6: exthdrs: refresh nh after handling HAO option ip6parsetlv caches skbnetworkheaderskb in nh while walking IPv6 TLVs. ipv6desthao may call pskbexpandhead for a cloned skb, which can move the skb head and invalidate the cached...

CVE-2026-64150

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftinner: release locallock before re-enabling softirqs Quoting sashiko: In the error path, localbhenable is called before localunlocknestedbh...

CVE-2026-64132

In the Linux kernel, the following vulnerability has been resolved: ipv6: ioam: refresh hdr pointer before ioam6event Reported by Sashiko: In ipv6hopioam, the hdr pointer is initialized to point into the skb's linear data buffer. Later, the code calls skbensurewritable, which might reallocate the...

CVE-2026-63897

In the Linux kernel, the following vulnerability has been resolved: USB: serial: mctu232: fix missing interrupt-in transfer sanity check Add the missing sanity check on the size of interrupt-in transfers to avoid parsing stale or uninitialised slab data and leaking it to user space...

CVE-2026-64134

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Don't setup bogus ioviter for silencing At transition to the ioviter for PCM data transfer, we blindly applied the ioviter setup also for silencing i.e. data = NULL, and it leads to a calculation of bogus ioviter...

CVE-2026-64031

In the Linux kernel, the following vulnerability has been resolved: erofs: fix managed cache race for unaligned extents After unaligned compressed extents were introduced, the following race could occur: Thread 1 Thread 2 zerofsfillbiovec ... filemapaddfolio 1 zerofsbindcache...

UBUNTU-CVE-2026-64146

In the Linux kernel, the following vulnerability has been resolved: erofs: fix metabuf leak in inode xattr initialization commit bb88e8da0025 "erofs: use meta buffers for xattr operations" converted xattr operations to use on-stack erofsbuf instances. erofsinitinodexattrs uses such a metabuf whil...

UBUNTU-CVE-2026-63979

In the Linux kernel, the following vulnerability has been resolved: net/handshake: hand off the pinned file reference to acceptdoit handshakereqnext removes the request from the per-net pending list and drops hnlock before handshakenlacceptdoit reads req-hrsk-sksocket and dereferences sock-file...

UBUNTU-CVE-2026-63938

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Check PSC request indices against the actual size of the buffer When processing Page State Change PSC requests, validate the PSC buffer against the effective size of the scratch area, which could be less than the maximu...

UBUNTU-CVE-2026-63900

In the Linux kernel, the following vulnerability has been resolved: USB: serial: keyspan: fix missing indat transfer sanity check Add the missing sanity check on the size of usa49wg indat transfers to avoid parsing stale or uninitialised slab data...

UBUNTU-CVE-2026-64054

In the Linux kernel, the following vulnerability has been resolved: net: shaper: reject duplicate leaves in GROUP request netshapernlgroupdoit does not deduplicate NETSHAPERALEAVES entries. When userspace supplies the same leaf handle twice, the same old-parent pointer lands twice in oldnodes. Th...

UBUNTU-CVE-2026-63858

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: add hook transactions for device deletions Restore the flag that indicates that the hook is going away, ie. NFTHOOKREMOVE, but add a new transaction object to track deletion of hooks without altering the...

UBUNTU-CVE-2026-63958

In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: validate connector number in ucsiconnectorchange The connector number in a UCSI CCI notification is a 7-bit field supplied by the PPM. ucsiconnectorchange uses it to index the ucsi-connector array without checki...

CVE-2026-64034

In the Linux kernel, the following vulnerability has been resolved: net: mana: Fix TOCTOU double-fetch of hwcmsgid from DMA buffer In manahwcrxeventhandler, resp-response.hwcmsgid is read from DMA-coherent memory and bounds-checked, then manahwchandleresp re-reads the same field from the same DMA...

CVE-2026-53374

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: zero-initialize GART table on allocation GART TLB is flushed after unmapping but not after mapping. Since amdgpubocreatekernel does not zero-initialize the buffer, when a single PTE is written the TLB may speculativel...

CVE-2026-64123

In the Linux kernel, the following vulnerability has been resolved: net: hsr: defer node table free until after RCU readers HSR node-list and node-status generic-netlink operations run under rcureadlock. They walk hsr-nodedb through hsrgetnextnode and hsrgetnodedata, but RTMDELLINK teardown remov...

CVE-2026-64076

In the Linux kernel, the following vulnerability has been resolved: netfilter: bridge: ebtables: close module init race sashiko reports for unrelated patch: Does the core ebtables initialization in ebtables.c suffer from a similar race? Once nfregistersockopt completes, the sockopts are exposed...

CVE-2026-64124

In the Linux kernel, the following vulnerability has been resolved: net: devmem: reject dma-buf bind with non-page-aligned size or SG length netdevmembinddmabuf trusts dmabuf-size and sgdmalen to be PAGESIZE multiples without checking: - txvec is sized dmabuf-size / PAGESIZE, and netdevmemgetniov...

UBUNTU-CVE-2026-63986

In the Linux kernel, the following vulnerability has been resolved: ethtool: tsinfo: don't pass ERRPTR to genlmsgcancel on prepare failure The goto err label leads to: genlmsgcancelskb, ehdr; return ret; If ethnltsinfopreparedump failed, it has not started a genlmsg. There's nothing to cancel, an...

UBUNTU-CVE-2026-63918

In the Linux kernel, the following vulnerability has been resolved: l2tp: use refcountincnotzero in l2tpsessiongetbyifname A reader in l2tpsessiongetbyifname can return a pointer to a session whose refcount has reached zero. The getter takes its reference with plain refcountinc, but every other...