UBUNTU-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-2026-68171

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

CVE-2026-68171

The CVE describes an arm64 Linux kernel issue where the original x0 saved in orig_x0 could diverge from the live x0 when a tracer (ptrace/seccomp/audit) updated the syscall argument during a syscall-enter-stop. The fix re-syncs orig_x0 from x0 on syscall entry after a potential ptrace stop (PTRAC...

Apple macOS - 32-bit syscall exit Kernel Register Leak Exploit

Exploit for macOS platform in category dos / poc Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1149 The XNU kernel, when compiled for a x86-64 CPU, can run 32-bit x86 binaries in compatibility mode. 32-bit binaries use partly separate syscall entry and exit paths. To return to...

security flaw

Linux kernel 2.6 on Itanium ia64 architectures allows local users to cause a denial of service via a "missing Itanium syscall table entry."...