CVE-2026-23460

In the Linux kernel, the following vulnerability has been resolved: net/rose: fix NULL pointer dereference in rosetransmitlink on reconnect syzkaller reported a bug 1, and the reproducer is available at 2. ROSE sockets use four sk-skstate values: TCPCLOSE, TCPLISTEN, TCPSYNSENT, and TCPESTABLISHE...

CVE-2026-23439 udp_tunnel: fix NULL deref caused by udp_sock_create6 when CONFIG_IPV6=n

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...

CVE-2026-23438 net: mvpp2: guard flow control update with global_tx_fc in buffer switching

In the Linux kernel, the following vulnerability has been resolved: net: mvpp2: guard flow control update with globaltxfc in buffer switching mvpp2bmswitchbuffers unconditionally calls mvpp2bmpoolupdateprivfc when switching between per-cpu and shared buffer pool modes. This function programs CM3...

CVE-2026-23435 perf/x86: Move event pointer setup earlier in x86_pmu_enable()

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:...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from outdated pointer handling in the XDP TX timestamp mechanism, potentially leading to null pointer...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from improper access protection during hierarchical structure reading. This vulnerability may lead to null...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the reuse of freed resources, potentially leading to null pointer dereferencing...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the improper timing of the SPI controller’s statistics allocation. This vulnerability may lead to null...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the drmdevunplug function’s ability to re-use resources after release, potentially leading to nul...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the failure to initialize local variables when restoring the bandwidth counter. This vulnerability may...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the lack of checking for empty pointers, potentially leading to dereferencing of empty pointers...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from cleaning up subobjects before the RCU grace period, potentially leading to null pointer dereferencing...

PT-2026-30128

In the Linux kernel, the following vulnerability has been resolved: arm mpam: Fix null pointer dereference when restoring bandwidth counters When an MSC supporting memory bandwidth monitoring is brought offline and then online, mpam restore mbwu state calls ris msmon read via ipi to restore the...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the udpsockcreate6 function returning a success result without actually creating a socket under certain...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from race conditions. This vulnerability may lead to null pointer dereferencing or reusing resources after...

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...

Security update for expat

This update for expat fixes the following issues: CVE-2026-32776: NULL pointer dereference when processing empty external parameter entities inside an entity declaration value bsc1259726. CVE-2026-32777: denial of service due to infinite loop in DTD content parsing bsc1259711. CVE-2026-32778: NUL...

SUSE-SU-2026:1166-1 Security update for expat

This update for expat fixes the following issues: - CVE-2026-32776: NULL pointer dereference when processing empty external parameter entities inside an entity declaration value bsc1259726. - CVE-2026-32777: denial of service due to infinite loop in DTD content parsing bsc1259711. - CVE-2026-3277...

Suricata 代码问题漏洞

Suricata is a network IDS, IPS, and NSM engine developed by the Open Information Security Foundation. Versions of Suricata prior to 8.0.0 and 8.0.4 had a code vulnerability that could cause Suricata to crash due to a null pointer dereferencing when using the tls.alpn rule keywords...

EUVD-2026-18003

An issue was discovered in Mbed TLS through 3.6.5 and 4.x through 4.0.0. There is a NULL pointer dereference in distinguished name parsing that allows an attacker to write to address 0...