CVE-2026-90339

CVE-2026-90339 is a Linux kernel vulnerability affecting the PowerPC architecture (both ppc32 and ppc64). After enabling GENERIC_ENTRY , the sentinel value -1 returned by syscall_enter_from_user_mode() to indicate that seccomp or ptrace had already set a return value was not handled correctly in ...

CVE-2026-90339 powerpc/syscall: Fix syscall skip handling for seccomp and ptrace

In the Linux kernel, the following vulnerability has been resolved: powerpc/syscall: Fix syscall skip handling for seccomp and ptrace After enabling GENERICENTRY on PowerPC, syscallenterfromusermode returns -1 as a sentinel to signal that seccomp or ptrace has intercepted the syscall and already...

CVE-2026-90339 powerpc/syscall: Fix syscall skip handling for seccomp and ptrace

In the Linux kernel, the following vulnerability has been resolved: powerpc/syscall: Fix syscall skip handling for seccomp and ptrace After enabling GENERICENTRY on PowerPC, syscallenterfromusermode returns -1 as a sentinel to signal that seccomp or ptrace has intercepted the syscall and already...

CVE-2026-90339: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: powerpc/syscall: Fix syscall skip handling for seccomp and ptrace After enabling GENERICENTRY on PowerPC, syscallenterfromusermode returns -1 as a sentinel to signal that seccomp or ptrace has intercepted the syscall and already...

CVE-2026-90347: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: arm64: ptrace: Keep 'origx0' in-sync with x0 on syscall entry Commit e057b9477232 "arm64: syscall: Ensure saved x0 is kept in-sync with tracer updates" attempted to resolve a long-standing issue with syscall entry tracing, where ...

OESA-2026-3736 sudo security update

Sudo is a program designed to allow a sysadmin to give limited root privileges to users and log root activity. The basic philosophy is to give as few privileges as possible but still allow people to get their work done. Security Fixes: Sudo through 1.9.17p2 fails to apply intercept policy checks ...

OESA-2026-3735 sudo security update

Sudo is a program designed to allow a sysadmin to give limited root privileges to users and log root activity. The basic philosophy is to give as few privileges as possible but still allow people to get their work done. Security Fixes: Sudo through 1.9.17p2 fails to apply intercept policy checks ...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: s390/ptrace: The handling of setting the fpc register was corrected. If the value of the floating-point control fpc register of a traced process is modified using the ptrace interface, the new value is tested for validity by...

SUSE CVE-2026-89603

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

SUSE CVE-2026-89766

In the Linux kernel, the following vulnerability has been resolved: pidfd: hold execupdatelock around namespace ioctl The PIDFDGETNAMESPACE ioctls in pidfdioctl perform a filesystem credentials ptrace access check before handing out a namespace file descriptor. The accompanying comment states tha...

Linux Distros Unpatched Vulnerability : CVE-2026-89603

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - entry: Fix seccomp bypass after ptrace with TSYNC Sashiko review pointed out the following issue. If a thread is stopped in syscalltraceenter for ptrace, anothe...

Linux Distros Unpatched Vulnerability : CVE-2026-89766

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - pidfd: hold execupdatelock around namespace ioctl The PIDFDGETNAMESPACE ioctls in pidfdioctl perform a filesystem credentials ptrace access check before handing...

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...

AZL-100500 CVE-2026-89603 affecting package kernel for versions less than 6.6.157.1-1

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...

DEBIAN-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

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

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-2026-89603

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...

EUVD-2026-76678

In the Linux kernel, the following vulnerability has been resolved: pidfd: hold execupdatelock around namespace ioctl The PIDFDGETNAMESPACE ioctls in pidfdioctl perform a filesystem credentials ptrace access check before handing out a namespace file descriptor. The accompanying comment states tha...

CVE-2026-89766 pidfd: hold exec_update_lock around namespace ioctl

In the Linux kernel, the following vulnerability has been resolved: pidfd: hold execupdatelock around namespace ioctl The PIDFDGETNAMESPACE ioctls in pidfdioctl perform a filesystem credentials ptrace access check before handing out a namespace file descriptor. The accompanying comment states tha...