CVE-2026-52982 net: usb: rtl8150: fix use-after-free in rtl8150_start_xmit()

In the Linux kernel, the following vulnerability has been resolved: net: usb: rtl8150: fix use-after-free in rtl8150startxmit syzbot reported a KASAN slab-use-after-free read in rtl8150startxmit when accessing skb-len for tx statistics after usbsubmiturb has been called: BUG: KASAN:...

CVE-2026-52982 net: usb: rtl8150: fix use-after-free in rtl8150_start_xmit()

In the Linux kernel, the following vulnerability has been resolved: net: usb: rtl8150: fix use-after-free in rtl8150startxmit syzbot reported a KASAN slab-use-after-free read in rtl8150startxmit when accessing skb-len for tx statistics after usbsubmiturb has been called: BUG: KASAN:...

CVE-2026-54906 concurrent-ruby: ReadWriteLock allows wrong-thread write release and stray read-release counter corruption

concurrent-ruby is a modern concurrency tools for Ruby. Prior to 1.3.7, Concurrent::ReadWriteLockreleasewritelock does not verify that the calling thread acquired the write lock. Any thread with access to the lock object can release an active write lock held by another thread. A second writer can...

CVE-2026-54906 concurrent-ruby: ReadWriteLock allows wrong-thread write release and stray read-release counter corruption

concurrent-ruby is a modern concurrency tools for Ruby. Prior to 1.3.7, Concurrent::ReadWriteLockreleasewritelock does not verify that the calling thread acquired the write lock. Any thread with access to the lock object can release an active write lock held by another thread. A second writer can...

CVE-2026-52919

A flaw was found in the batman-adv module of the Linux kernel. During the shutdown process of the tpmeter sender, an atomic counter can underflow due to multiple decrements. This can cause the sender kernel thread to loop indefinitely, leading to a use-after-free vulnerability if the associated...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: flexproportions: making fpropnewperiod safe from hardirq issues. Bernd reported a deadlock issue in the flexible proportions code, which essentially complained about the following race conditions: runtimersoftirq – we’re in a...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: In ext4, the order of execution of functions ext4percpuparaminit and ext4mbinit has been changed. When running kvm-xfstests -c ext4/1k -C 1 generic/383 with the DOUBLECHECK macro defined, a panic occurs as follows:...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: scsi: core: There is a race condition where the error handler is only awakened when the last running command completes or times out. The order of execution of marking commands—either completed or failed—is not properly ordered...

CVE-2026-52919

In the Linux kernel, the following vulnerability has been resolved: batman-adv: fix tpmeter counter underflow during shutdown batadvtpsendershutdown unconditionally decrements the "sending" atomic counter. If multiple paths e.g. timeout, user cancel, and normal finish call this function, the...

CVE-2026-52919

In the Linux kernel, the following vulnerability has been resolved: batman-adv: fix tpmeter counter underflow during shutdown batadvtpsendershutdown unconditionally decrements the "sending" atomic counter. If multiple paths e.g. timeout, user cancel, and normal finish call this function, the...

CVE-2026-52919

CVE-2026-52919 affects the batman-adv component in the Linux kernel. The root cause is an underflow of the atomic counter “sending” in batadv_tp_sender_shutdown(), which is decremented unconditionally and can become -1 when multiple code paths call it. A negative value causes the sender kthread t...

CVE-2026-52919

In the Linux kernel, the following vulnerability has been resolved: batman-adv: fix tpmeter counter underflow during shutdown batadvtpsendershutdown unconditionally decrements the "sending" atomic counter. If multiple paths e.g. timeout, user cancel, and normal finish call this function, the...

CVE-2026-52919

In the Linux kernel, the following vulnerability has been resolved: batman-adv: fix tpmeter counter underflow during shutdown batadvtpsendershutdown unconditionally decrements the "sending" atomic counter. If multiple paths e.g. timeout, user cancel, and normal finish call this function, the...

PT-2026-51963

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A null-pointer dereference exists in the xdp master redirect function. This occurs when the function attempts to call the master's ndo xdp get xmit slave while the master device is not u...

Linux Distros Unpatched Vulnerability : CVE-2026-52919

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - batman-adv: fix tpmeter counter underflow during shutdown batadvtpsendershutdown unconditionally decrements the sending atomic counter. If multiple paths e.g...

CVE-2026-57062

CVE-2026-57062: The CMS parsing in GnuPG’s gpgsm (up to version 2.5.20) mishandles AES-GCM when processing CMS structures, accepting an aes-ICVlen of 4 bytes instead of the required 12. This is a component/format handling flaw in GnuPG’s CMS implementation. The CVE record cites a related issue (C...

GHSA-6WX8-W4F5-WWCR Concurrent Ruby: ReadWriteLock allows wrong-thread write release and stray read-release counter corruption

Summary Concurrent::ReadWriteLockreleasewritelock does not verify that the calling thread acquired the write lock. Any thread with access to the lock object can release an active write lock held by another thread. A second writer can then enter its critical section while the first writer is still...

Concurrent Ruby: ReadWriteLock allows wrong-thread write release and stray read-release counter corruption

Summary Concurrent::ReadWriteLockreleasewritelock does not verify that the calling thread acquired the write lock. Any thread with access to the lock object can release an active write lock held by another thread. A second writer can then enter its critical section while the first writer is still...

Concurrent Ruby: `ReentrantReadWriteLock` read-count overflow grants a write lock without exclusivity

Summary Concurrent::ReentrantReadWriteLock can incorrectly grant a write lock after one thread acquires the read lock 32,768 times. The lock stores a thread's local read and write hold counts in one integer. The low 15 bits are used for the read hold count, and bit 15 is used as WRITELOCKHELD...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: dmaengine: ti: k3-udma: The byte counter UDMACHANRT was reset to prevent overflow. The UDMACHANRTBCNTREG registers store real-time channel byte count statistics. These registers are 32-bit hardware counters, and the driver uses...