Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: Ensure that the correct amount of memory is released during direct IO write operations. Running generic/406 causes the following warning in btrfsdestroy inode: this indicates that there are still outstanding extents...

Astra Linux – Vulnerability in Linux

A race condition in Linux kernel SCTP sockets net/sctp/socket.c before version 5.12-rc8 can lead to kernel privilege escalation from the context of a network service or an unprivileged process. If the sctpdestroysock function is called without using the socknetsk-sctp.addrwqlock lock, an element...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm: Fixed a potential null-ptr-deref in drmvblankDestroyWorker. The call to drmvblankinit includes drmMaddactionorreset, with drmvblankinitRelease as the action. If drmMaddaction fails, it will directly call...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: - dm cache: Fixed UAF in the destroy function. - Dmcache also has the same UAF issue when dmresume and dmdestroy are executed concurrently. Therefore, the timer is canceled again in the destroy function...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: thermal/core: A memory leak was fixed in thermalcoolingdeviceregister. I encountered a memory leak during the fault injection test. The unreferenced object is: 0xffff888010080000 size: 264312. The details of the memory leak are a...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: flush pending destroy work before exitnet release This issue is similar to 2c9f0293280e “netfilter: nftables: flush pending destroy work before netlink notifier”, and addresses a race between the exitnet...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fixed the potential null dereference issue. The adev-dm.dc pointer can be NULL, and it may be dereferenced in amdgpudmfini without any checks. A NULL pointer check should be added before calling dcdmubsrvdestroy...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm/slabcommon: The corruption of the slabcaches list after kmemcacheDestroy has been fixed. After the commit in “Fixes…”, if a module that creates a slab cache does not release all of its allocated objects before destroying the...

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

In the Linux kernel, the following vulnerabilities have been resolved: tee and amdtee: fixed the use-after-free vulnerability in amdteeclosesession. There is a potential race condition in amdteeclosesession that may cause a use-after-free in amdteeopenSession. For example, if a session has a...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: - dm clone: Fixed a UAF Use-after-Free in clonedtr. - Dmclone also has the same UAF issue when dmresume and dmdestroy are executed concurrently. Therefore, the timer is canceled again in clonedtr...

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

In the Linux kernel, the following vulnerabilities have been resolved: gtp: Fixed a use-after-free in gtpencapdestroy. syzkaller reported a use-after-free in gtpencapdestroy. The same process freed “sk” and accessed it illegally. Commit e198987e7dd7 “gtp: fix suspicious RCU usage” added locksock...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: KVM: Do not dereference ops-destroy with a null pointer. The cleanup of a KVM device occurs through either of two callbacks: 1 destroy, called when the VM is being destroyed; 2 release, called when a device file descriptor is...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: The synchronization of ofchangesetDestroy with devlink removals was addressed. In the following sequences: 1 ofplatformdepopulate 2 ofoverlayremove During step 1, devices are destroyed, and devlinks are removed. During step 2, OF...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: - dm integrity: Fixed a UAF Use-after-Free in dmintegritydtr. - dmintegrity also has the same UAF problem when dmresume and dmdestroy are executed concurrently. Therefore, the timer is canceled again in dmintegritydtr...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: In tty: goldfish, use ttyportdestroy to destroy the port. In goldfishttyprobe, the port initialized through ttyportinit should be destroyed in error paths. In goldfishttyremove, qtty-port also should be destroyed; otherwise,...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Wifi: ath10k: avoiding NULL pointer errors during sdio removal When running ‘rmmod ath10k’, ath10ksdioremove will free the sdioworkqueue by calling destroyworkqueue. However, if CONFIGINITONFREEDEFAULTON is set to yes, a kernel...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ipmi: Fixed the use of a pointer after it is freed in ipmidestroyuser. The intffree function frees the “intf” pointer, so we cannot dereference it again in the next line...

PT-2026-72749

In the Linux kernel, the following vulnerability has been resolved: vduse: hold vduse lock across IDR lookup in open path vduse dev open looks up struct vduse dev through the IDR and then acquires dev-lock only after vduse lock has been dropped. This leaves a window where a concurrent VDUSE DESTR...

CVE-2026-68424

In the Linux kernel, the following vulnerability has been resolved: mtd: virtconcat: fix use-after-free in mtdvirtconcatdestroyjoins mtdconcatdestroy frees item-concat so calling mtdvirtconcatputmtddevicesitem-concat leads to a use after free. Fix this by moving mtdvirtconcatputmtddevices before...

CVE-2026-68423

In the Linux kernel, the following vulnerability has been resolved: mtd: virtconcat: fix use-after-free in mtdvirtconcatdestroy mtdconcatdestroy frees item-concat so calling mtdvirtconcatputmtddevicesitem-concat after that leads to a use-after-free. Fix it by moving mtdvirtconcatputmtddevices...