Security update for qemu

This update for qemu fixes the following issue: CVE-2026-3886: QEMU calcimagehostmem Integer Overflow Local Privilege Escalation Vulnerability bsc1268061. Changes for qemu: Bug fixes: target/s390x: Make container ids in SysIB15x 1-based bsc1275490 target/s390x: move @deprecated-props to...

SUSE-SU-2026:3806-1 Security update for qemu

This update for qemu fixes the following issue: - CVE-2026-3886: QEMU calcimagehostmem Integer Overflow Local Privilege Escalation Vulnerability bsc1268061. Changes for qemu: - Bug fixes: target/s390x: Make container ids in SysIB15x 1-based bsc1275490 target/s390x: move @deprecated-props to...

CVE-2026-58094

A Time-of-check Time-of-use (TOCTOU) race condition exists in the FIOSSHMLPGCNF ioctl(2) operation of the posixshm module in FreeBSD . The handler fails to hold the rangelock when checking if a page size has already been configured for a largepage shared memory object. This allows two concurrent ...

EUVD-2026-66253

The FIOSSHMLPGCNF ioctl2 operation configures the page size for a largepage shared memory object. This is intended to be used immediately after creating the object, before any memory is allocated for the object. The handler checked whether a page size had already been configured without holding t...

CVE-2026-58094 TOCTOU race in POSIX shared memory large page configuration

The FIOSSHMLPGCNF ioctl2 operation configures the page size for a largepage shared memory object. This is intended to be used immediately after creating the object, before any memory is allocated for the object. The handler checked whether a page size had already been configured without holding t...

EUVD-2026-66250

The TIOCSCTTY ioctl handler drops the tty lock in order to acquire the process tree lock. After reacquiring the tty lock, the handler did not revalidate the state of the terminal, and could proceed to link a terminal that was concurrently being destroyed to the calling process' session. An...

CVE-2026-58091

The FreeBSD kernel contains a use-after-free vulnerability in the sound module caused by the SNDCTL_DSP_SYNCSTART ioctl. When attempting to acquire locks on all channels in a sync group, the implementation releases the sync group list lock and sleeps if a channel would block; however, it fails to...

CVE-2026-58091 Kernel use-after-free via the SNDCTL_DSP_SYNCSTART ioctl

The implementation of this ioctl attempts to acquire locks on all channels in a sync group. If locking a channel would block, it releases the sync group list lock and sleeps. Upon reawakening, it is possible that the sync group structure is freed, but the implementation did not handle this...

EUVD-2026-66235

The SOCKSTREAM receive path in the unix socket implementation failed to fully detach control messages from the socket buffer before processing them. Some error paths would free those messages, leaving freed data mbufs in the receive socket buffer. An unprivileged local user can exploit this...

CVE-2026-58090

The SOCKSTREAM receive path in the unix socket implementation failed to fully detach control messages from the socket buffer before processing them. Some error paths would free those messages, leaving freed data mbufs in the receive socket buffer. An unprivileged local user can exploit this...

CVE-2026-58089

The hwpmc(4) driver in FreeBSD contains a vulnerability where it fails to detach Performance Monitoring Counters (PMCs) owned by unprivileged processes during an execve(2) call to a setuid or setgid image. This is caused by an inverted check in the kernel, allowing a local unprivileged user to co...

AlmaLinux 10 : polkit (ALSA-2026:59997)

The remote AlmaLinux 10 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:59997 advisory. polkit: Polkit: Denial of Service via unbounded input processing through standard input CVE-2026-4897 Tenable has extracted the preceding description block...

CVE-2026-58093: Concurrent Execution using Shared Resource with Improper Synchronization

The TIOCSCTTY ioctl handler drops the tty lock in order to acquire the process tree lock. After reacquiring the tty lock, the handler did not revalidate the state of the terminal, and could proceed to link a terminal that was concurrently being destroyed to the calling process' session. An...

CVE-2026-80560: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: openrisc: signal: do not restore privileged SR bits on sigreturn restoresigcontext copies the whole supervision register SR from the signal frame and only clears SPRSRSM before the value is reloaded into the hardware SR through E...

PT-2026-82094

Name of the Vulnerable Software and Affected Versions OpenZFS affected versions not specified Description On Linux, several ioctl authorization checks incorrectly treat capabilities held within a user-created, unprivileged namespace as equivalent to actual host privileges. This allows an...

FreeBSD : FreeBSD -- TOCTOU race in POSIX shared memory large page configuration (ef63188f-a0ff-11f1-ae1f-bc241121aa0a)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the ef63188f-a0ff-11f1-ae1f-bc241121aa0a advisory. The FIOSSHMLPGCNF ioctl2 operation configures the page size for a largepage shared memory object. This ...

PT-2026-82132

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the SCTP implementation where the COOKIE ECHO process restores fixed-size AUTH fields directly from peer-controlled cookie bytes when cookie authentication is disabled...

CVE-2026-74752: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: sctp: validate cookie AUTH state before use When cookie authentication is disabled, COOKIEECHO restores fixed-size AUTH fields directly from peer-controlled cookie bytes. A forged RANDOM length, HMAC list, or CHUNKS list can then...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098975)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098975 advisory. In the Linux kernel, the following vulnerability has been resolved: apparmor: fix unprivileged local user can do privileged policy management An unprivileged local...

Linux Distros Unpatched Vulnerability : CVE-2026-80560

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - openrisc: signal: do not restore privileged SR bits on sigreturn restoresigcontext copies the whole supervision register SR from the signal frame and only clea...