Possible NULL Dereference When Processing CMS KeyAgreeRecipientInfo

Issue summary: During processing of a crafted CMS EnvelopedData message with KeyAgreeRecipientInfo a NULL pointer dereference can happen. Impact summary: Applications that process attacker-controlled CMS data may crash before authentication or cryptographic operations occur resulting in Denial of...

CVE-2026-28389

Issue summary: During processing of a crafted CMS EnvelopedData message with KeyAgreeRecipientInfo a NULL pointer dereference can happen. Impact summary: Applications that process attacker-controlled CMS data may crash before authentication or cryptographic operations occur resulting in Denial of...

GHSA-VH63-9MQX-WMJR OpenEXR has buffer overflow in PyOpenEXR_old's channels() and channel()

Summary A memory safety bug in the legacy OpenEXR Python adapter the deprecated OpenEXR.InputFile wrapper allow crashes and likely code execution when opening attacker-controlled EXR files or when passing crafted Python objects. Integer overflow and unchecked allocation in InputFile.channel and...

PT-2026-34977

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference exists in the alps raw event function within the hid-alps driver. This occurs because the driver fails to properly check if it has been claimed correctly befor...

CVE-2026-5590 net: ip/tcp: Null pointer dereference can be triggered by a race condition

A race condition during TCP connection teardown can cause tcprecv to operate on a connection that has already been released. If tcpconnsearch returns NULL while processing a SYN packet, a NULL pointer derived from stale context data is passed to tcpbacklogisfull and dereferenced without validatio...

Linux Distros Unpatched Vulnerability : CVE-2026-31931

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

PT-2026-30411

A race condition during TCP connection teardown can cause tcp recv to operate on a connection that has already been released. If tcp conn search returns NULL while processing a SYN packet, a NULL pointer derived from stale context data is passed to tcp backlog is full and dereferenced without...

Linux Distros Unpatched Vulnerability : CVE-2026-23450

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: net/smc: fix NULL dereference and UAF in smctcpsynrecvsock Syzkaller reported a panic in...

openSUSE 16 Security Update : kea (openSUSE-SU-2026:20452-1)

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:20452-1 advisory. Update to 3.0.3: - CVE-2025-11232: invalid characters cause assert bsc1252863. - CVE-2026-3608: stack overflow via maliciously crafted message...

SUSE CVE-2026-23450

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

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-2026-23439

In the Linux kernel, the following vulnerability has been resolved: udptunnel: fix NULL deref caused by udpsockcreate6 when CONFIGIPV6=n When CONFIGIPV6 is disabled, the udpsockcreate6 function returns 0 success without actually creating a socket. Callers such as foucreate then proceed to...

UBUNTU-CVE-2026-23450

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-2026-23435

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

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-2026-23450 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-2026-23442

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...

PT-2026-30145

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw in the net/smc module within the smc tcp syn recv sock function. This issue involves a potential NULL pointer dereference and a use-after-free condition...

PT-2026-30134

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw in the udp tunnel functionality. When the IPv6 configuration CONFIG IPV6 is disabled, the udp sock create6 function may return a success status without...