kernel: net/sched: cls_u32: use skb_header_pointer_careful()

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsu32: use skbheaderpointercareful skbheaderpointer does not fully validate negative @offset values. Use skbheaderpointercareful instead. GangMin Kim provided a report and a repro fooling u32classify: BUG: KASAN:...

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 incorrect descriptor completion in the llistabortdesc function of the dmaengine module. This...

PT-2026-34387

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the s390 architecture where the r12 register is not properly cleared during kernel entry. Previously, entry handlers loaded r12 with the current task pointer for use b...

PowerDNS Recursor 代码问题漏洞

PowerDNS Recursor pdnsrecursor is a domain name resolution server developed by the Dutch company PowerDNS. There is a code vulnerability in PowerDNS Recursor, which arises from RPZ requests sent by malicious authoritative servers. This vulnerability may lead to null pointer dereferencing due to a...

PT-2026-34327

If you use the zoneToCache function with a malicious authoritative server, an attacker can send a zone that result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service...

PowerDNS Recursor（pdns_recursor） 代码问题漏洞

PowerDNS Recursor pdnsrecursor is a domain name resolution server developed by the Dutch company PowerDNS. There is a code vulnerability in PowerDNS Recursor, which stems from the ability for attackers to send responses that lead to null pointer dereferencing. Due to lack of consistency checks,...

PT-2026-34318

An RPZ sent by a malicious authoritative server can result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service...

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 are security vulnerabilities in the Linux kernel, which stem from improper error handling and dereferencing of empty pointers. These vulnerabilities can lead to...

PT-2026-43131

Name of the Vulnerable Software and Affected Versions GNU LibreDWG versions prior to 0.15 Description A security flaw in the DWG File Handler component occurs within the dwg next entity function of the src/decode.c file. The issue is caused by incorrect resource cleanup or release, leading to a...

PowerDNS Recursor（pdns_recursor） 代码问题漏洞

PowerDNS Recursor pdnsrecursor is a domain name resolution server developed by the Dutch company PowerDNS. There is a code vulnerability in PowerDNS Recursor. This vulnerability arises from the use of the zoneToCache function, where attackers can send zones that result in 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 multiple sysfs command paths accessing contextsarr0 without verifying the contexts-nr, potentially...

PT-2026-34364

In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs: fix param ctx leak on damon sysfs new test ctx failure Patch series "mm/damon/sysfs: fix memory leak and NULL dereference issues", v4. DAMON SYSFS can leak memory under allocation failure, and do NULL pointer...

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 are security vulnerabilities in the Linux kernel, which stem from issues with the smbgrantoplock function. These vulnerabilities involve reusing freed resources an...

PT-2026-34365

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the drm/amd/display component where the system fails to verify if the ext caps pointer is valid during backlight setup. This occurs because LVDS connectors do not...

PT-2026-34386

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw in the tracing component occurs when boot-time trigger registration fails before the trigger-data cleanup kthread is created. If kthread creation fails, the system fails to drain...

PT-2026-34341

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix possible wrong descriptor completion in llist abort desc At the end of this function, d is the traversal cursor of flist, but the code completes found instead. This can lead to issues such as NULL pointer...

PT-2026-34342

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix NULL pointer dereference in netfs unbuffered write on retry When a write subrequest is marked NETFS SREQ NEED RETRY, the retry path in netfs unbuffered write unconditionally calls stream-prepare write without checking ...

PT-2026-34416

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A dangling pointer issue exists in the Bluetooth MGMT component. The problem occurs during the execution of mgmt add adv patterns monitor complete when the condition checking fails to...

PT-2026-34415

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A null pointer dereference exists in the Bluetooth L2CAP component. The issue occurs within the l2cap sock ready cb function when the sk pointer is used without verifying if it is null...

FreeBSD 资源管理错误漏洞

FreeBSD is a Unix-like operating system developed by the FreeBSD Foundation. There is a resource management vulnerability in FreeBSD, which stems from the TIOCNOTTY implementation failing to clear the pointer pointing to the control terminal structure of the calling process. This could allow...