CVE-2026-98260: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: exec: Cleanup POSIX timers right after dethread A per-thread CPU timer holds a reference to the PID of the thread it is attached to and, while it is armed, its node is queued in that thread's posixcputimers. The task is looked up...

CVE-2026-98261: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix server use-after-free in cifschanskipordisable When a secondary channel is no longer supported by the server, cifschanskipordisable drops the channel reference with cifsputtcpsession and then continues to use the server...

CVE-2026-98256: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: signal: Prevent exec race Hyunwoo debugged the following KASAN UAF splat: BUG: KASAN: slab-use-after-free in sendsignallocked+0xb27/0xba0 Write of size 8 at addr ffff888007ed80c8 by task poc/79 ... Call Trace:...

CVE-2026-98173: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix use-after-free of iface in cifstryaddingchannels cifstryaddingchannels iterates ses-ifacelist with listforeachentrysafefrom, which captures the next entry niface under ifacelock. The loop body then drops ifaceloc...

CVE-2026-98243: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: dma-buf/dma-fence: fix checking signaling bit for timeline and driver name v3 The patch "dma-buf: dma-fence: Fix potential NULL pointer dereference" changed the check to test for the ops pointer instead of the signaled bit to avo...

CVE-2026-98245: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: btrfs: take commit root semaphore when iterating in markblockgrouptocopy markblockgrouptocopy iterates over the commit root with skiplocking=true. A concurrent transaction commit can swap and free the commit root during iteration...

CVE-2026-98239: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net: lan743x: fix RX checksum use-after-free lan743xrxprocessbuffer adds each non-first receive buffer to the head skb's fraglist. On the last descriptor, lan743xrxtrimskb linearizes the head and frees the fragment skb metadata...

CVE-2026-98212: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: mmc: hsq: Fix use-after-free in retry work mmchsqpumprequests queues retrywork when requestatomic returns -EBUSY; today sdhci-sprd is the only consumer that implements requestatomic. The work is embedded in a devm-allocated mmchs...

CVE-2026-98200: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: hwmon: hp-wmi-sensors Fix use-after-free in fungibleshow nsensor-currentstate is dynamically replaced as the sensor's state changes. updatenumericsensorfromwobj does this by freeing the old string and installing a new one: if...

CVE-2026-98309: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: Use managed KMS polling to fix UAF on unbind vc4kmsload calls drmkmshelperpollinit but the driver provides no matching drmkmshelperpollfini. The output poll work stays scheduled after unbind and runs on the freed...

PT-2026-106686

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A slab-use-after-free issue exists in the IB/isert component of the Linux kernel. The isert send done function offloads completions for ISTATE SEND TASKMGTRSP, ISTATE SEND REJECT, and...

PT-2026-106649

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the netfilter flowtable where nf ct put releases the ct-ext area immediately. Due to RCU Read-Copy-Update typesafe semantics, the flowtable datapath may refer to an...

dovecot security, bug fix, and enhancement update

1:2.3.16-15 - fix CVE-2026-33605: ManageSieve login deadlock caused by lone CR protocol violation RHEL-251995 1:2.3.16-14 - fix CVE-2026-42007: heap use-after-free in pigeonhole editmailsnapshot after deleteheader operation RHEL-251946 1:2.3.16-13 - fix CVE-2026-40018: incorrect escaping of...

PT-2026-106580

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the openvswitch component where the ovs ct get conn labels function adds a labels extension to a conntrack entry if one is missing. Because confirmed conntracks can be...

CVE-2026-98218: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: i2c: atr: fix dangling adapter pointer on add failure i2catraddadapter stores atr-adapterchanid before i2caddadapter so that the I2C bus notifier can match child clients during registration. On failure the channel is freed but th...

ROS-20261006-73-0091

The vulnerability of the functions sessionfree, hidpsessionRemove, and hidpSessionThread in the net/bluetooth/hidp/core.c module of the Linux kernel’s Bluetooth subsystem is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to cause a...

ROS-20261006-73-0086

The vulnerability of the manahwcDestroyChannel function in the drivers/net/ethernet/microsoft/mana/hwchannel.c file of the Ethernet network adapter driver in Microsoft’s Linux kernel is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker ...

PT-2026-106558

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the xfrm input function where the current xfrm state is stored in the skb secpath during receive-side processing. Certain input paths, including the VTI receive path,...

PT-2026-106560

In the Linux kernel, the following vulnerability has been resolved: xfrm: serialize state GC with device state flush The deferred-device pass in xfrm dev state flush finds states under xfrm state dev gc lock, but drops the lock before calling xfrm dev state free because the driver callback may...

PT-2026-106539

In the Linux kernel, the following vulnerability has been resolved: mmc: mxcmmc: cancel data work and watchdog on remove mxcmci remove frees the host through the devm tail, but neither it nor mmc remove host drains the driver's own asynchronous state. host-watchdog, a 10 s timer armed on the DMA...