CVE-2026-23435

In the Linux kernel, the following vulnerability has been resolved: perf/x86: Move event pointer setup earlier in x86pmuenable A production AMD EPYC system crashed with a NULL pointer dereference in the PMU NMI handler: BUG: kernel NULL pointer dereference, address: 0000000000000198 RIP:...

CVE-2026-23450 net/smc: fix NULL dereference and UAF in smc_tcp_syn_recv_sock()

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix NULL dereference and UAF in smctcpsynrecvsock Syzkaller reported a panic in smctcpsynrecvsock 1. smctcpsynrecvsock is called in the TCP receive path softirq via icskafops-synrecvsock on the clcsock TCP listening...

CVE-2026-23450

CVE-2026-23450 (Linux kernel): The issue stems from a race in the SMC TCP path (net/smc) where, during close of an SMC listen socket, sk_user_data can be NULL or the smc_sock freed, causing a NULL dereference or use-after-free in smc_tcp_syn_recv_sock() when accessed under rcu/protected context. ...

CVE-2026-23442

The CVE-2026-23442 issue affects the Linux kernel’s IPv6 SRv6 handling. Specifically, __in6_dev_get() may return NULL when a device has no IPv6 configuration (e.g., MTU too small or after NETDEV_UNREGISTER), which could lead to NULL pointer dereferences in seg6_hmac_validate_skb() and ipv6_srh_rc...

OESA-2026-1827 expat security update

expat is a stream-oriented XML parser library written in C. expat excels with files too large to fit RAM, and where performance and flexibility are crucial. Security Fixes: libexpat before 2.7.5 allows a NULL pointer dereference in the function setContext on retry after an earlier ouf-of-memory...

CVE-2026-31931

A flaw was found in Suricata, a network Intrusion Detection System IDS, Intrusion Prevention System IPS, and Network Security Monitoring NSM engine. An attacker could trigger a null dereference by using the "tls.alpn" rule keyword, causing the Suricata engine to crash. This vulnerability leads to...

CVE-2026-31931

Suricata is a network IDS, IPS and NSM engine. From version 8.0.0 to before version 8.0.4, use of the "tls.alpn" rule keyword can cause Suricata to crash with a NULL dereference. This issue has been patched in version 8.0.4...

UBUNTU-CVE-2026-31931

Suricata is a network IDS, IPS and NSM engine. From version 8.0.0 to before version 8.0.4, use of the "tls.alpn" rule keyword can cause Suricata to crash with a NULL dereference. This issue has been patched in version 8.0.4...

CVE-2026-31931 Suricata tls: null dereference in tls.alpn rule keyword

Suricata is a network IDS, IPS and NSM engine. From version 8.0.0 to before version 8.0.4, use of the "tls.alpn" rule keyword can cause Suricata to crash with a NULL dereference. This issue has been patched in version 8.0.4...

CVE-2026-31931

Suricata is a network IDS, IPS and NSM engine. From version 8.0.0 to before version 8.0.4, use of the "tls.alpn" rule keyword can cause Suricata to crash with a NULL dereference. This issue has been patched in version 8.0.4...

CVE-2026-31931

Suricata is a network IDS, IPS and NSM engine. From version 8.0.0 to before version 8.0.4, use of the "tls.alpn" rule keyword can cause Suricata to crash with a NULL dereference. This issue has been patched in version 8.0.4...

CVE-2026-31931

CVE-2026-31931 affects Suricata (network IDS/IPS/NSM). From version 8.0.0 up to but not including 8.0.4, using the tls.alpn rule keyword can cause a NULL dereference, potentially crashing the process. The issue has been patched in version 8.0.4 . Environment impact is primarily availability (A), ...

CVE-2026-31931 Suricata tls: null dereference in tls.alpn rule keyword

Suricata is a network IDS, IPS and NSM engine. From version 8.0.0 to before version 8.0.4, use of the "tls.alpn" rule keyword can cause Suricata to crash with a NULL dereference. This issue has been patched in version 8.0.4...

EUVD-2026-18237

Suricata is a network IDS, IPS and NSM engine. From version 8.0.0 to before version 8.0.4, use of the "tls.alpn" rule keyword can cause Suricata to crash with a NULL dereference. This issue has been patched in version 8.0.4...

CVE-2026-31931

Suricata is a network IDS, IPS and NSM engine. From version 8.0.0 to before version 8.0.4, use of the "tls.alpn" rule keyword can cause Suricata to crash with a NULL dereference. This issue has been patched in version 8.0.4...

PT-2026-37411

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A potential NULL pointer dereference exists in the Linux kernel within the IPv6 IOAM In-situ Operations, Administration, and Maintenance component. The issue occurs in the ioam6 fill tra...

PT-2026-38984

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the BPF subsystem where the check mem access function matches PTR TO BUF via base type, which strips PTR MAYBE NULL. This allows direct dereference of pointers without...

SUSE-SU-2026:20989-1 Security update for kea

This update for kea fixes the following issues: Update to 3.0.3: - CVE-2025-11232: invalid characters cause assert bsc1252863. - CVE-2026-3608: stack overflow via maliciously crafted message bsc1260380. Changelog: A large number of bracket pairs in a JSON payload directed to any endpoint would...

CVE-2026-3776

The application does not validate the presence of required appearance AP data before accessing stamp annotation resources. When a PDF contains a stamp annotation missing its AP entry, the code continues to dereference the associated object without a prior null or validity check, which allows a...

PT-2026-29436

The application does not validate the presence of required appearance AP data before accessing stamp annotation resources. When a PDF contains a stamp annotation missing its AP entry, the code continues to dereference the associated object without a prior null or validity check, which allows a...