OESA-2026-2870 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: net/sched: fix pedit partial COW leading to page cache corruption tcfpeditact computes the COW range for skbensurewritable once before the key loop using...

TencentOS Server 3: kernel (TSSA-2026:0544)

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2026:0544 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities:...

CVE-2026-46331 net/sched: fix pedit partial COW leading to page cache corruption

In the Linux kernel, the following vulnerability has been resolved: net/sched: fix pedit partial COW leading to page cache corruption tcfpeditact computes the COW range for skbensurewritable once before the key loop using tcfpoffmaxhint, but the hint does not account for the runtime header offset...

CVE-2026-46331

CVE-2026-46331 affects the Linux kernel’s net/sched packet editing path, specifically the per-key handling in act_pedit where the writable Copy-on-Write (COW) region was calculated before the actual write offset was known. The runtime header offset from typed keys could leave portions of memory u...

PT-2026-49625

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An out-of-bounds write flaw exists in the act pedit packet-editing action of the Linux kernel traffic-control subsystem. The function tcf pedit act incorrectly computes the Copy-on-Write...