CVE-2026-64056

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: cortina: Make RX SKB per-port The SKB used to assemble packets from fragments in gmacrx is static local, but the Gemini has two ethernet ports, meaning there can be races between the ports on a bad day if a device ...

CVE-2026-64062

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix potential deadlock in write-through mode Fix netfsadvancewritethrough to always unlock the supplied folio and to mark it dirty if it isn't yet written to the end. Unfortunately, it can't be marked for writeback until t...

CVE-2026-64068

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix missing locking around retry adding new subreqs Fix netfsretryreadsubrequests and netfsretrywritestream to take the appropriate lock when adding extra subrequests into stream-subrequests...

CVE-2026-64084

In the Linux kernel, the following vulnerability has been resolved: hwmon: pmbus/adm1266 cap PDIO scan in getmultiple at ADM1266PDIONR adm1266gpiogetmultiple iterates the PDIO portion of the caller-supplied mask using foreachsetbitfromgpionr, mask, ADM1266GPIONR + ADM1266PDIOSTATUS ... where...

CVE-2026-53367

In the Linux kernel, the following vulnerability has been resolved: selinux: fix avdcache auditing The per-task avdcache was incorrectly saving and reusing the audited vector computed by avcauditrequired rather than recomputing based on the currently requested permissions and distinguishing the...

CVE-2026-63880

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix lock leak on ENOMEM in AMDGPUGEMOPGETMAPPINGINFO The AMDGPUGEMOPGETMAPPINGINFO branch of amdgpugemopioctl holds three cleanup-tracked resources before calling kvcalloc: the drmgemobject reference from...

UBUNTU-CVE-2026-64093

In the Linux kernel, the following vulnerability has been resolved: batman-adv: tpmeter: directly shut down timer on cleanup batadvtpsendercleanup was calling timerdeletesync followed by timerdelete to guard against the timer handler re-arming itself between the two calls. This double-deletion ha...

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-2026-63882

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: fix NULL pointer bug in svmrangesetattr The processinfo could be NULL if user doesn't call kfdioctlacquirevm before calling kfdioctlsvm. cherry picked from commit 83a26c812e0529eb040d31a76f73e33e637243d4...

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-2026-64082

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...

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-2026-64058

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix netfsreadfolio to wait on writeback Fix netfsreadfolio to wait for an ongoing writeback to complete so that it can trust the dirty flag and whatever is attached to folio-private folio-private may get cleaned up by the...

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...

CVE-2026-63888

In the Linux kernel, the following vulnerability has been resolved: scsi: target: iscsi: Fix CRC overread and double-free in iscsithandletextcmd Two latent bugs in the Text-phase handler, both present since the original LIO integration in commit e48354ce078c "iscsi-target: Add iSCSI fabric suppor...

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...

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-2026-64098

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...

CVE-2026-64089

In the Linux kernel, the following vulnerability has been resolved: batman-adv: tt: fix negative lastchangesetlen batadvpivtt::lastchangesetlen len was declared as s16, but the field is never intended to hold a negative value. When a value greater than 32767 is assigned, it wraps to a negative...

CVE-2026-64103

In the Linux kernel, the following vulnerability has been resolved: scsi: isci: Fix use-after-free in device removal path The ISCI completion tasklet is initialized in iscihostalloc drivers/scsi/isci/init.c:496 and scheduled from both MSI-X and legacy interrupt handlers...