EUVD-2026-76390

In the Linux kernel, the following vulnerability has been resolved: lockd: fix NULL dereference on lockowner allocation failure nlmclntlocksinitprivate installs NLM file lock operations even when nlmclntfindlockowner fails to allocate a lockowner. nlmclntproc then returns -ENOMEM, but the VFS sti...

CVE-2026-89484

CVE-2026-89484 is a NULL pointer dereference in the Linux kernel's lockd (Network Lock Manager) subsystem. The bug occurs when nlmclnt_find_lockowner() fails to allocate a lockowner, yet nlmclnt_locks_init_private() still installs NLM file lock operations. When the VFS subsequently tears down the...

CVE-2026-89477 sctp: fix NULL deref on untransmitted RECONF completion

In the Linux kernel, the following vulnerability has been resolved: sctp: fix NULL deref on untransmitted RECONF completion sctpprocessstrresetoutreq, sctpprocessstrresetaddstrmout and sctpprocessstrresetresp complete a pending stream reconfiguration request by stopping the reconf timer on the...

EUVD-2026-76348

In the Linux kernel, the following vulnerability has been resolved: platform/x86: ISST: Validate socket ID in closassoc ioctl isstifclosassoc validates the user-supplied socketid with 'socketid topologymaxpackages', but isstcommon.sstinst is allocated with topologymaxpackages entries, so the vali...

CVE-2026-80993

CVE-2026-80993 affects the Linux kernel in the net: phylink subsystem. In the function phylink_inband_caps() , the PCS returned by mac_select_pcs() was only validated against NULL , but the function can also return an error pointer . This causes a kernel panic because phylink_pcs_inband_caps() di...

CVE-2026-80992

CVE-2026-80992 affects the ravb network driver in the Linux kernel , specifically its PTP (Precision Time Protocol) clock handling. The root cause is a NULL pointer dereference : the PTP clock is unavailable before the first open, so querying its index can dereference a NULL pointer. Additionally...

RLSA-2026:66460 Moderate: gstreamer1-plugins-base security update

GStreamer is a streaming media framework based on graphs of filters which operate on media data. The gstreamer1-plugins-base packages contain a collection of well-maintained base plug-ins. Security Fixes: gstreamer1-plugins-base: gstreamer: NULL/invalid-pointer dereference in...

CVE-2026-45747

A flaw was found in Suricata, a network Intrusion Detection System. A remote attacker could exploit a NULL dereference vulnerability in the Lua TLS certificate information helper. This vulnerability occurs when a Lua script attempts to retrieve certificate details from TLS Transport Layer Securit...

gstreamer1-plugins-base: gstreamer: NULL/invalid-pointer dereference in gst_rtsp_message_parse_auth_credentials() when parsing a crafted Digest Authorization/WWW-Authenticate header

A NULL pointer dereference flaw was found in GStreamer's RTSP support library. The vulnerability occurs while parsing an Authorization or WWW-Authenticate header that uses Digest authentication. Specially crafted whitespace placement around a parameter's terminator can cause an internal length...

CVE-2021-24086

CVE-2021-24086 Esta es una prueba de concepto para CVE-2021-24086 "Vulnerabilidad de denegación de servicio en Windows TCP/IP", una desreferencia NULL en tcpip.sys parcheada por Microsoft en febrero de 2021. Según este tweet, la vulnerabilidad fue encontrada por @piazzt. Es explotable de forma...

SUSE SLED15: libopenssl-3-devel / libopenssl-3-fips-provider / etc (SUSE-SU-2026:3835-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3835-1 advisory. OpenSSL is updated to 3.5.0 in SLE-15-SP7: jscPED-16072 Enables Post-Quantum Cryptography PQC TLS support...

PT-2026-90308

In the Linux kernel, the following vulnerability has been resolved: accel/rocket: fix NULL dereference and integer overflow in rocket job push rocket job push allocates a temporary array to hold all input and output GEM object pointers: bos = kvmalloc arrayjob-in bo count + job-out bo count,...

PT-2026-90263

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Check svc pool percpu counter allocation svc create initializes three per-pool percpu counter stats and ignores every return value. On SMP, percpu counter init fails when alloc percpu gfp cannot satisfy the allocation,...

PT-2026-90395

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix null dereference in nfsd4 setattr for deleg timestamp attrs When a SETATTR request includes FATTR4 WORD2 TIME DELEG ACCESS or FATTR4 WORD2 TIME DELEG MODIFY in the attribute bitmap, nfsd4 setattr sets deleg attrs=true a...

PT-2026-90114

In the Linux kernel, the following vulnerability has been resolved: net/smc: do not dereference an unset send buffer on the SMC-D teardown path smc close stream wait calls smc tx prepared sends from inside its sk wait event condition, and sk wait event evaluates that condition once with the socke...

PT-2026-90193

In the Linux kernel, the following vulnerability has been resolved: sctp: fix NULL deref on untransmitted RECONF completion sctp process strreset outreq, sctp process strreset addstrm out and sctp process strreset resp complete a pending stream reconfiguration request by stopping the reconf timer...

PT-2026-90425

In the Linux kernel, the following vulnerability has been resolved: lockd, nfsd: RCU-protect nlmsvc ops dispatch nlmsvc ops is published by nfsd lockd init and cleared by nfsd lockd shutdown with plain stores, while lockd dereferences it unguarded from dispatch sites in fs/lockd/svcsubs.c. The...

PT-2026-90286

In the Linux kernel, the following vulnerability has been resolved: cxl/mce: Make the MCE notifier per-region Flavien Solt reported lifetime issues with the CXL MCE notifier, which can lead to NULL dereferences and use-after-free in the MCE handler. The notifier was registered per memory device a...

PT-2026-90222

In the Linux kernel, the following vulnerability has been resolved: RDMA/uverbs: Add UVERBS ATTR UHW to UVERBS METHOD REG MR The original commit missed that three drivers mthca, irdma, siw have UHW data associated with reg mr that cannot be passed through the ioctl. They also assume that the udat...

PT-2026-90233

In the Linux kernel, the following vulnerability has been resolved: sched ext: Fix rq-core pick corruption under core scheduling Core scheduling's pick next task picks what to run on every SMT sibling of the core in a single pass under the shared core-wide rq lock. The selection state is consiste...