CVE-2026-89603

A flaw was found in the Linux kernel. A race condition exists where a seccomp filter, intended to restrict system calls, can be bypassed by an unprivileged process. This occurs when a thread is stopped for tracing ptrace and another thread attempts to apply a seccomp filter with the...

CVE-2026-89603

In the Linux kernel, the following vulnerability has been resolved: entry: Fix seccomp bypass after ptrace with TSYNC Sashiko review pointed out the following issue. If a thread is stopped in syscalltraceenter for ptrace, another thread can install a seccomp filter with SECCOMPFILTERFLAGTSYNC e.g...

CVE-2026-89603

CVE-2026-89603 is a race condition in the Linux kernel 's syscall_trace_enter() path. When a thread is stopped for ptrace , another thread can install a seccomp filter with SECCOMP_FILTER_FLAG_TSYNC, setting the SYSCALL_WORK_SECCOMP flag on the stopped thread. However, syscall_trace_enter() evalu...

EUVD-2026-76515

In the Linux kernel, the following vulnerability has been resolved: entry: Fix seccomp bypass after ptrace with TSYNC Sashiko review pointed out the following issue. If a thread is stopped in syscalltraceenter for ptrace, another thread can install a seccomp filter with SECCOMPFILTERFLAGTSYNC e.g...

CVE-2026-89603 entry: Fix seccomp bypass after ptrace with TSYNC

In the Linux kernel, the following vulnerability has been resolved: entry: Fix seccomp bypass after ptrace with TSYNC Sashiko review pointed out the following issue. If a thread is stopped in syscalltraceenter for ptrace, another thread can install a seccomp filter with SECCOMPFILTERFLAGTSYNC e.g...

PT-2026-90319

In the Linux kernel, the following vulnerability has been resolved: entry: Fix seccomp bypass after ptrace with TSYNC Sashiko review pointed out the following issue. If a thread is stopped in syscall trace enter for ptrace, another thread can install a seccomp filter with SECCOMP FILTER FLAG TSYN...

ntp security, bug fix, and enhancement update

4.2.6p5-28.0.1 - Bump release to avoid ULN conflict with Oracle modified errata. 4.2.6p5-28 - fix buffer overflow in datum refclock driver CVE-2017-6462 - fix crash with invalid unpeer command CVE-2017-6463 - fix potential crash with invalid server command CVE-2017-6464 - add Spectracom TSYNC...