UBUNTU-CVE-2026-74695

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfflowtable: drop existing skb dst before skbdstsetnoref Incoming skbs passing through netfilter flowtable offload hooks or XFRM offload path might already carry a ref-counted dstentry assigned during earlier RX or...

UBUNTU-CVE-2026-74711

In the Linux kernel, the following vulnerability has been resolved: hwmon: pmbus Fix type confusion in notification logic Sashiko reports: At the start of the loop in pmbusnotify, the code unconditionally casts every attribute to a struct sensordeviceattribute:...

UBUNTU-CVE-2026-74692

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix TOCTOU race between smclistenout and listener close smclistenout reads lsmc-sk.skstate without the listener lock, then acquires locksocknested only after the check passes. This opens a window where smccloseactive can...

UBUNTU-CVE-2026-74733

In the Linux kernel, the following vulnerability has been resolved: gpio: pca953x: fix pca953xirqbussyncunlock regmap lock Locking is disabled in the regmap config as this driver uses its own lock. This means that all calls to regmap functions read or write must hold the i2clock. The function...

UBUNTU-CVE-2026-74645

In the Linux kernel, the following vulnerability has been resolved: mm/damon/lrusort: error out for 10000 activemembp damosquotascore can trigger division by zero if the target value is zero. DAMONLRUSORT lets users set the target value for the hot memory scheme via activemembp parameter. It avoi...

UBUNTU-CVE-2026-74666

In the Linux kernel, the following vulnerability has been resolved: packet: synchronize pressure clearing with ring reconfiguration packetsetring updates the RX ring state under skreceivequeue.lock, but used to publish the tpacket receive mode through po-prothook.func after releasing that lock...

UBUNTU-CVE-2026-74591

In the Linux kernel, the following vulnerability has been resolved: mm/filemap: filemapaddfolio restore index before retrying In filemapaddfolio's split-a-conflict loop, xassetorder is applied repeatedly: each application modifies xas.xaindex, rounding it down according to the splitorder attempte...

UBUNTU-CVE-2026-74665

In the Linux kernel, the following vulnerability has been resolved: net: fix skb length accounting after generic XDP frag adjustment Generic XDP exposes non-linear skb fragments through an xdpbuff. If an XDP program adjusts the fragment area, bpfprogrungenericxdp copies xdpfragssize back to...

UBUNTU-CVE-2026-74613

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: avoid refilling the RX queue after teardown Commit b917507e5ad9 "vsock/virtio: stop workers during the .remove" made the RX worker jump to its common exit when rxrun is clear. That exit still refills the RX queue wh...

UBUNTU-CVE-2026-74700

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsapi: Always acquire rtnllock when destroying locked classifiers Another challenge with unlocked filters. There is a short window in tcnewtfilter where a tcfproto can be found and briefly referenced by a totally...

UBUNTU-CVE-2026-74594

In the Linux kernel, the following vulnerability has been resolved: sched/psi: Shut down rtpolltimer in psicgroupfree psischedulertpollwork is called locklessly from the scheduler hotpath and can race psitriggerdestroy taking down the last rtpoll trigger under rtpolltriggerlock:...

UBUNTU-CVE-2026-74624

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrack: defer invalid log until after unlock TCP and SCTP conntrack paths can emit invalid-packet logs while ct-lock is still held. When invalid logging is routed to nfnetlinklog and conntrack export is enabled, t...

UBUNTU-CVE-2026-74704

In the Linux kernel, the following vulnerability has been resolved: net/sched: schcake: drop WARNON1 for malformed packets in ACK filter The schcake ACK filter parses packets to find the TCP header and filter duplicated ACKs if the flow is backlogged. The parsing code contains a WARNON1 which can...

UBUNTU-CVE-2026-74603

In the Linux kernel, the following vulnerability has been resolved: ptp: ocp: Fix board ID over-read The EEPROM board ID is a fixed 13-byte field and is not guaranteed to contain a NUL terminator. Passing it directly to devlinkinfoversionfixedput treats it as a C string and may read beyond the...

UBUNTU-CVE-2026-74662

In the Linux kernel, the following vulnerability has been resolved: inet: frags: publish queues before arming timer inetfragcreate arms the fragment queue timer before inserting the queue into the fqdir rhashtable. If the namespace fragment timeout is zero or negative, the timer can run before th...

UBUNTU-CVE-2026-74657

In the Linux kernel, the following vulnerability has been resolved: ipv4: Fix fibnlmsgsize for RTAVIA nexthops fibnlmsgsize still estimates nexthop space as if every gateway is encoded as an IPv4 RTAGATEWAY attribute. IPv4 routes can also carry an IPv6 gateway, which fibnexthopinfo dumps as RTAVI...

UBUNTU-CVE-2026-74728

In the Linux kernel, the following vulnerability has been resolved: xfs: handle NULL baddr in xfsbuffree When xfsbufallocbackingmem fails, xfsbuffree is called with bp-baddr still NULL. The code falls through to the folioput path which calls virttofolioNULL, dereferencing an invalid address and...

CVE-2026-74633

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix NULL pointer dereference in module event cache removal A module-only event filter such as ":mod:foo" is cached with a NULL eventmod-match when foo has not been loaded. If a later write tries to remove a specific matc...

CVE-2026-74721

In the Linux kernel, the following vulnerability has been resolved: accel/amxdna: Fix page-insertion errors in amdxdnainsertpages Two error paths in amdxdnainsertpages called vma-vmops-closevma before returning an error code to the caller. This is incorrect: amdxdnagemobjmmap registers an HMM...

CVE-2026-74707

In the Linux kernel, the following vulnerability has been resolved: xsk: validate metadata when processing requests The zero-copy path validates TX metadata while obtaining the descriptor context, then reads it again later when preparing the hardware request. User space can change the metadata...