CVE-2026-64593

The CVE-2026-64593 issue affects the Linux kernel Btrfs trim path. A race/drop in device state handling can lead to a NULL device->bdev when re-scanning a previously missing device, causing a NULL pointer dereference during discard trimming (btrfs_trim_fs -> btrfs_trim_free_extents_throttle...

ALSA-2026:50978 Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: xen: AMD Zen 2 Processors: Privilege escalation via improper CPU cache isolation CVE-2025-54518 Bug Fixes and Enhancements: Kernel crash in bpfforeacharrayelem due to missing backport of...

CVE-2026-64575 bpf: tcp: fix double sock release on batch realloc

In the Linux kernel, the following vulnerability has been resolved: bpf: tcp: fix double sock release on batch realloc bpfitertcpbatch releases the current batch via bpfitertcpputbatch, which drops the socket refs and rewrites each slot with the socket cookie, then grows the batch. cursk/endsk ar...

CVE-2026-64569

In the Linux kernel, the following vulnerability has been resolved: mpls: fix NULL deref in mplsvalidfibdumpreq on CONFIGINET=n On CONFIGINET=n builds, mplsvalidfibdumpreq walks the parsed attribute table itself instead of calling ipvalidfibdumpreq. The RTAOIF arm passes tbRTAOIF to nlagetu32...

CVE-2026-64566

The CVE-2026-64566 issue affects the Linux kernel xfrm/IPTFS frag handling. In iptfs_skb_add_frags(), frag references are copied and __skb_frag_ref() increments the page ref count, but SKBFL_SHARED_FRAG is not propagated to the destination SKB’s skb_shinfo->flags, causing the inner SKB to appe...

CVE-2026-64566 xfrm: iptfs: propagate SKBFL_SHARED_FRAG in iptfs_skb_add_frags()

In the Linux kernel, the following vulnerability has been resolved: xfrm: iptfs: propagate SKBFLSHAREDFRAG in iptfsskbaddfrags When iptfsskbaddfrags copies frag references from the source frag walk into a new SKB, it increments the page reference count via skbfragref but does not propagate...

EUVD-2026-52605

In the Linux kernel, the following vulnerability has been resolved: sctp: don't free the ASCONF's own transport in DEL-IP processing sctpprocessasconf caches the transport the ASCONF chunk is processed against in asconf-transport == chunk-transport, set once in sctprcv. For an ASCONF located...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.14.70 bug fix and security update

Red Hat OpenShift Container Platform release 4.14.70 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.14. Red Hat Product Security has rated this update as having a...

SUSE CVE-2026-64559

In the Linux kernel, the following vulnerability has been resolved: s390/pkey: Check length in PKEYVERIFYPROTK ioctl Explicitly check the buffer length request structure provided by user-space and fail, if it exceeds the buffer size...

EUVD-2026-50202

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free in l2capsocknewconnectioncb l2capsocknewconnectioncb returned l2cappisk-chan after releasesockparent. Once the parent lock is dropped the newly enqueued child socket sk is reachable via the...

CVE-2026-64557

Summary: CVE-2026-64557 affects the Linux kernel Bluetooth L2CAP implementation, causing a use-after-free during new Bluetooth connections. The bug occurs when l2cap_sock_new_connection_cb() returns the new channel after release_sock(parent); once the parent lock is dropped, the enqueued child so...

SUSE CVE-2026-64537

In the Linux kernel, the following vulnerability has been resolved: bridge: cfm: reject invalid CCM interval at configuration time ccmtxworkexpired re-arms itself via queuedelayedwork using the configured expinterval converted by intervaltous. When expinterval is BRCFMCCMINTERVALNONE or out of...

Researcher Says AI Helped Develop Linux Traffic-Control Race Into Root Exploit

STAR Labs has published a Linux kernel exploit that turns an ordinary local user into root on the CentOS Stream 9 build it targeted. The flaw, tracked as CVE-2026-53264 CVSS score: 7.8, is a use-after-free race in the kernel's network traffic-control subsystem. Researcher Lee Jia Jie said...

CVE-2026-64545

In the Linux kernel, the following vulnerability has been resolved: net, bpf: check master for NULL in xdpmasterredirect xdpmasterredirect dereferences the result of netdevmasterupperdevgetrcu without a NULL check, but that helper returns NULL when the receiving device has no upper-master...

CVE-2026-64552

Summary (CVE-2026-64552) In the Linux kernel virtio-net, receive_big() does a length check against (big_packets_num_skbfrags + 1) * PAGE_SIZE, but a gap remains due to add_recvbuf_big() placing sg[1] after the padded vnet header. A malicious virtio backend can announce a length in that gap, causi...

CVE-2026-64546

CVE-2026-64546 is a Linux kernel vulnerability in drm/edid that allows a heap out-of-bounds read in drm_parse_tiled_block() when parsing a crafted EDID tiled block. The root cause is casting a DisplayID block to a struct displayid_tiled_block and reading the fixed layout up to tile->topology_i...

CVE-2026-64546 drm/edid: fix OOB read in drm_parse_tiled_block()

In the Linux kernel, the following vulnerability has been resolved: drm/edid: fix OOB read in drmparsetiledblock drmparsetiledblock casts the DisplayID block to a struct displayidtiledblock and reads the full fixed layout up to tile-topologyid7 without checking block-numbytes. The DisplayID...

CVE-2026-64544

CVE-2026-64544 affects the Linux kernel’s crypto: asymmetric_keys path, specifically pefile_digest_pe_contents. The vulnerability arises when calculating the trailing-data hash length as pelen - (hashed_bytes + certs_size); a crafted PE could make the addition overflow the pelen, causing an unsig...

CVE-2026-64545 net, bpf: check master for NULL in xdp_master_redirect()

In the Linux kernel, the following vulnerability has been resolved: net, bpf: check master for NULL in xdpmasterredirect xdpmasterredirect dereferences the result of netdevmasterupperdevgetrcu without a NULL check, but that helper returns NULL when the receiving device has no upper-master...

EUVD-2026-49593

In the Linux kernel, the following vulnerability has been resolved: ipv6: ndisc: fix NULL deref in acceptuntrackedna acceptuntrackedna re-fetches the inet6dev with in6devgetdev and dereferences idev-cnf.acceptuntrackedna without a NULL check, even though its only caller ndiscrecvna already fetche...