Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: reject duplicate device on updates CVE-2025-38678 In the Linux kernel, the following vulnerability has been resolved: mm/ksm: fix flag-dropping behavior in ksmmadvise CVE-2025-40040 In the Lin...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-992925)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992925 advisory. In the Linux kernel, the following vulnerability has been resolved: vhost/vsock: Use kvmalloc/kvfree for larger packets. When copying a large file over sftp over...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992415)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992415 advisory. In the Linux kernel, the following vulnerability has been resolved: vhost/vsock: Use kvmalloc/kvfree for larger packets. When copying a large file over sftp over...

Unbreakable Enterprise kernel security update

5.15.0-315.196.5.2 - tipc: Fix use-after-free in tipcmonreinitself. Kuniyuki Iwashima Orabug: 38786195 CVE-2025-40280 - fs/proc: fix uaf in procreaddirde Wei Yang Orabug: 38786194 CVE-2025-40271 - vsock: Ignore signal/timeout on connect if already established Michal Luczaj Orabug: 38786193...

vsock: Ignore signal/timeout on connect() if already established

...

CVE-2025-40231

In the Linux kernel, the following vulnerability has been resolved: vsock: fix lock inversion in vsockassigntransport Syzbot reported a potential lock inversion deadlock between vsockregistermutex and sklock-AFVSOCK when vsocklinger is called. The issue was introduced by commit 687aa0c5581b "vsoc...

CVE-2025-40248

In the Linux kernel, the following vulnerability has been resolved: vsock: Ignore signal/timeout on connect if already established During connect, acting on a signal/timeout by disconnecting an already established socket leads to several issues: 1. connect invoking vsocktransportcancelpkt -...

SUSE CVE-2025-40231

In the Linux kernel, the following vulnerability has been resolved: vsock: fix lock inversion in vsockassigntransport Syzbot reported a potential lock inversion deadlock between vsockregistermutex and sklock-AFVSOCK when vsocklinger is called. The issue was introduced by commit 687aa0c5581b "vsoc...

SUSE CVE-2025-40248

In the Linux kernel, the following vulnerability has been resolved: vsock: Ignore signal/timeout on connect if already established During connect, acting on a signal/timeout by disconnecting an already established socket leads to several issues: 1. connect invoking vsocktransportcancelpkt -...

AZL-71396 CVE-2025-40248 affecting package kernel for versions less than 6.6.119.3-1

In the Linux kernel, the following vulnerability has been resolved: vsock: Ignore signal/timeout on connect if already established During connect, acting on a signal/timeout by disconnecting an already established socket leads to several issues: 1. connect invoking vsocktransportcancelpkt -...

CVE-2025-40231

In the Linux kernel, the following vulnerability has been resolved: vsock: fix lock inversion in vsockassigntransport Syzbot reported a potential lock inversion deadlock between vsockregistermutex and sklock-AFVSOCK when vsocklinger is called. The issue was introduced by commit 687aa0c5581b "vsoc...

UBUNTU-CVE-2025-40231

In the Linux kernel, the following vulnerability has been resolved: vsock: fix lock inversion in vsockassigntransport Syzbot reported a potential lock inversion deadlock between vsockregistermutex and sklock-AFVSOCK when vsocklinger is called. The issue was introduced by commit 687aa0c5581b "vsoc...

UBUNTU-CVE-2025-40248

In the Linux kernel, the following vulnerability has been resolved: vsock: Ignore signal/timeout on connect if already established During connect, acting on a signal/timeout by disconnecting an already established socket leads to several issues: 1. connect invoking vsocktransportcancelpkt -...

CVE-2025-40248 vsock: Ignore signal/timeout on connect() if already established

In the Linux kernel, the following vulnerability has been resolved: vsock: Ignore signal/timeout on connect if already established During connect, acting on a signal/timeout by disconnecting an already established socket leads to several issues: 1. connect invoking vsocktransportcancelpkt -...

CVE-2025-40248 vsock: Ignore signal/timeout on connect() if already established

In the Linux kernel, the following vulnerability has been resolved: vsock: Ignore signal/timeout on connect if already established During connect, acting on a signal/timeout by disconnecting an already established socket leads to several issues: 1. connect invoking vsocktransportcancelpkt -...

CVE-2025-40248

The CVE CVE-2025-40248 is supported by connected advisories detailing a vsock connect() race in the Linux kernel. Root cause: during connect(), signals/timeouts could cause disconnection of an already established vsock, racing with sendmsg() and other transport state changes. This could permanent...

CVE-2025-40248

In the Linux kernel, the following vulnerability has been resolved: vsock: Ignore signal/timeout on connect if already established During connect, acting on a signal/timeout by disconnecting an already established socket leads to several issues: 1. connect invoking vsocktransportcancelpkt -...

CVE-2025-40231 vsock: fix lock inversion in vsock_assign_transport()

In the Linux kernel, the following vulnerability has been resolved: vsock: fix lock inversion in vsockassigntransport Syzbot reported a potential lock inversion deadlock between vsockregistermutex and sklock-AFVSOCK when vsocklinger is called. The issue was introduced by commit 687aa0c5581b "vsoc...

CVE-2025-40231

In the Linux kernel, the following vulnerability has been resolved: vsock: fix lock inversion in vsockassigntransport Syzbot reported a potential lock inversion deadlock between vsockregistermutex and sklock-AFVSOCK when vsocklinger is called. The issue was introduced by commit 687aa0c5581b "vsoc...

CVE-2025-40231

CVE-2025-40231 (Linux kernel) relates to a vsock lock inversion in vsock_assign_transport() where vsock_register_mutex is held during a call that may call vsock_linger(). The commit adding vsock_register_mutex around transport->release() around sk_lock can create circular dependency when vsock...