UBUNTU-CVE-2026-98257

In the Linux kernel, the following vulnerability has been resolved: rds: ib: use rdsconndrop on protocol version mismatch rdsibcmconnectcomplete runs from the RDMA-CM event handler with conn-ccmlock held. When the peer negotiates a protocol version older than RDSPROTOCOLCOMPATVERSION, the handler...

CVE-2026-98256

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-2026-98337

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: don't start a ROC while scanning The ROC work can be pending when a scan starts which requires ROC list to be empty, but that's possible, and then a new ROC can be added to the list and the work will pick it up...

UBUNTU-CVE-2026-98212

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...

UBUNTU-CVE-2026-98234

In the Linux kernel, the following vulnerability has been resolved: net/sched: hhf: cap hhflowslimit at change time hhfchange stores TCAHHFHHFLOWSLIMIT with no upper bound. A huge hhflowslimit lets each new heavy-hitter flow pass the hhflowscurrentcnt check in allocnewhh and forces a fixed-size...

UBUNTU-CVE-2026-98208

In the Linux kernel, the following vulnerability has been resolved: mmc: sdiouart: fix xmitfifo leak when the port table is full sdiouartaddport allocates the transmit fifo before claiming a slot in sdiouarttable. When all UARTNR slots are taken, it returns -EBUSY with the fifo still allocated, b...

UBUNTU-CVE-2026-98353

In the Linux kernel, the following vulnerability has been resolved: RDMA/erdma: Use IRQ-safe XArray helpers for QP and CQ tables Locked QP and CQ lookups from EQ interrupts can deadlock with create-path XArray updates. If an interrupt arrives while the create path holds the plain xalock, the look...

CVE-2026-98294

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciqca: Do not write to the serial port after it is closed hciuartclose closes the serdev port if HCIQUIRKNONPERSISTENTSETUP is set for example, for the WCN399x family. A failed hcidevopensync following a successful...

CVE-2026-98299

In the Linux kernel, the following vulnerability has been resolved: tcp: do not let tcprmem be set below 4096 We can hit a division by zero crash in tcprcvbufgrow and tcprcvspaceadjust: divide error: 0000 1 PREEMPT SMP RIP: 0010:tcprcvbufgrow+0x187/0x450 net/ipv4/tcpinput.c:939 ... grow =...

UBUNTU-CVE-2026-98215

In the Linux kernel, the following vulnerability has been resolved: selinux: preserve user SID across nested backing files SELinux saves the user file SID in a backing-file security blob so it remains available after mmap replaces vma-vmfile with a backing file. For nested backing files overlayfs...

UBUNTU-CVE-2026-98313

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dp: skip PUSHIDLE when the link was never enabled msmdpdisplayatomicenable returns early when link training fails, leaving -poweron false and the main link down. msmdpdisplayatomicdisable nevertheless writes...

CVE-2026-98219

In the Linux kernel, the following vulnerability has been resolved: schedext: Close the pre-enable ops error claim window scxallocandaddsched publishes ops-priv before scxrootenableworkfn switches the state to SCXENABLING. An error claimed via scxbpferrorbstr from an associated BPF program in tha...

CVE-2026-98249

In the Linux kernel, the following vulnerability has been resolved: arm64: hibernate: pass HVCSETVECTORS args to the resume hvc swsusparchsuspendexit reinstalls the restored kernel's hyp stub vectors with an hvc, but never passes the arguments. x0 is not set to HVCSETVECTORS and x1 is not set to...

UBUNTU-CVE-2026-98299

In the Linux kernel, the following vulnerability has been resolved: tcp: do not let tcprmem be set below 4096 We can hit a division by zero crash in tcprcvbufgrow and tcprcvspaceadjust: divide error: 0000 1 PREEMPT SMP RIP: 0010:tcprcvbufgrow+0x187/0x450 net/ipv4/tcpinput.c:939 ... grow =...

UBUNTU-CVE-2026-98275

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: cortina: Ack RX overrun interrupt correctly The RX overrun interrupt is reported in interrupt status register 4, but gmacirq acknowledges it using the RX descriptor error bit from status register 0. For GMAC0 this...

CVE-2026-98269

In the Linux kernel, the following vulnerability has been resolved: btrfs: abort transaction on failure to update inode for hole punching and reflinking If we fail to update the inode we error out without aborting the transaction, which can result in a persistent inconsistency if after the failur...

CVE-2026-98298

In the Linux kernel, the following vulnerability has been resolved: dmaengine: mmppdma: fix wrong sg length in mmppdmaprepslavesg In mmppdmaprepslavesg, foreachsg iterates the scatterlist putting each entry into 'sg', but the entry length is read from 'sgl' the list head instead of 'sg' the curre...

CVE-2026-98317

In the Linux kernel, the following vulnerability has been resolved: neighbour: Enforce min/max to NDTPAINTERVALPROBETIMEMS. NDTPAINTERVALPROBETIMEMS sets .type and .min but misses .validationtype, so no validation is applied: ynl --family rt-neigh --do setneightbl \ --json '"name": "arpcache",...

CVE-2026-98328

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: add HE 6 GHz capability in the scan elems len The HE 6 GHz Band Capability element is in the probe request for every band if 6 GHz is supported, so add the size to scanieslen. Otherwise, building probe request...

UBUNTU-CVE-2026-98266

In the Linux kernel, the following vulnerability has been resolved: ALSA: core: Fix potential UAF after asynchronous card release Usually a sound driver releases the resources assigned to the card via sndcardfree, and it synchronizes with the whole release procedure. However, when the card is...