UBUNTU-CVE-2026-64119

In the Linux kernel, the following vulnerability has been resolved: l2tp: use listdelrcu in l2tpsessionunhash An unprivileged local user can pin a host CPU indefinitely in l2tpsessiongetbyifname by issuing L2TPCMDSESSIONGET on L2TPATTRIFNAME concurrently with L2TPCMDSESSIONCREATE and...

UBUNTU-CVE-2026-64079

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtables: allocate hook ops while under mutex arp/ip6tregistertable add the table to the per-netns list via xtregistertable before allocating the per-netns hook ops copy via kmemduparray. This leaves a window where the...

UBUNTU-CVE-2026-64036

In the Linux kernel, the following vulnerability has been resolved: cgroup/rstat: validate cpu before cssrstatcpu access cssrstatupdated is exposed as a BPF kfunc and accepts a caller-provided cpu argument. The function uses cpu for per-cpu rstat lookups without checking whether it refers to a...

UBUNTU-CVE-2026-64081

In the Linux kernel, the following vulnerability has been resolved: firmware: armffa: Validate framework notification message layout Framework notifications carry an indirect message in the shared RX buffer. Validate the reported offset and size before using them, reject zero-length payloads, and...

UBUNTU-CVE-2026-64100

In the Linux kernel, the following vulnerability has been resolved: drm/msm: Fix shrinker deadlock With PROVELOCKING on an Snapdragon X1 and VM reclaim pressure, we see: ====================================================== WARNING: possible circular locking dependency detected 7.0.0-debug+ 43...

CVE-2026-64084

In the Linux kernel, the following vulnerability has been resolved: h...

CVE-2026-63860

In the Linux kernel, the following vulnerability has been resolved: R...

CVE-2026-64103

In the Linux kernel, the following vulnerability has been resolved: s...

CVE-2026-64056

In the Linux kernel, the following vulnerability has been resolved: n...

ALSA-2026:42096 Important: c-ares security update

The c-ares C library defines asynchronous DNS Domain Name System requests and provides name resolving API. Security Fixes: c-ares: c-ares: Use-after-free / double-free in query-completion handling CVE-2026-33630 For more details about the security issues, including the impact, a CVSS score,...

UBUNTU-CVE-2026-63883

In the Linux kernel, the following vulnerability has been resolved: serial: qcomgeni: fix kfifo underflow when flush precedes DMA completion IRQ When uartflushbuffer runs before the DMA completion IRQ is delivered, the following race can occur all steps serialized by uartportlock: 1. DMA starts:...

UBUNTU-CVE-2026-63925

In the Linux kernel, the following vulnerability has been resolved: macsec: fix replay protection at XPN lower-PN wrap In macsecpostdecrypt, when pn is U32MAX, pn + 1 overflows u32 to 0 and the first branch never fires. If nextpnhalves.lower is also in the upper half, pnsamehalfpn, lower is true...

UBUNTU-CVE-2026-63999

In the Linux kernel, the following vulnerability has been resolved: ethtool: rss: fix indirtable and hkey leak on getrxfh failure rssprepareget allocates the indirection table and hash key buffer via rssgetdataalloc, then calls ops-getrxfh to populate them. If getrxfh fails, the function returns ...

UBUNTU-CVE-2026-64061

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix early put of sink folio in netfsreadgaps Fix netfsreadgaps to release the sink page it uses after waiting for the request to complete. The way the sink page is used is that an ITERBVEC-class iterator is created that ha...

UBUNTU-CVE-2026-53369

In the Linux kernel, the following vulnerability has been resolved: udf: reject descriptors with oversized CRC length udfreadtagged skips CRC verification when descCRCLength + sizeofstruct tag exceeds the block size. A crafted UDF image can set descCRCLength to an oversized value to bypass CRC...

UBUNTU-CVE-2026-64098

In the Linux kernel, the following vulnerability has been resolved: drm/virtio: use uninterruptible resv lock for plane updates virtiogpucursorplaneupdate and virtiogpuresourceflush lock the framebuffer BO's dmaresv via virtiogpuarraylockresv and ignore its return value. The function can fail wit...

UBUNTU-CVE-2026-64116

In the Linux kernel, the following vulnerability has been resolved: ipv6: ioam: add NULL check for idev in ipv6hopioam Reported by Sashiko: The function ipv6hopioam accesses in6devgetskb-dev-cnf.ioam6enabled without validating the returned idev pointer. Because addrconfifdown can concurrently cle...

UBUNTU-CVE-2026-63844

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/jpeg: set nouserfence for JPEG v4.0.3 ring JPEG rings do not support 64-bit user fence writes, reject CS submissions with user fences. cherry picked from commit 2f6afc97d259d530f4f86c7743efbc573a8da927...

UBUNTU-CVE-2026-63932

In the Linux kernel, the following vulnerability has been resolved: iio: chemical: mhz19b: reject oversized serial replies mhz19breceivebuf appends each serdev chunk into the fixed MHZ19BCMDSIZE receive buffer and advances bufidx by len without checking that the chunk fits in the remaining space....

UBUNTU-CVE-2026-64082

In the Linux kernel, the following vulnerability has been resolved: riscv: Fix register corruption from uninitialized cregs on error compatriscvgprset calls cregstoregs unconditionally, even when userregsetcopyin fails. Since cregs is an uninitialized stack variable, a copyin failure causes...