Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: cachefiles: A NULL pointer dereference issue in object-file has been fixed. Currently, there is a NULL pointer dereference problem in ondemand-mode. The root cause is that the allocated file descriptor fd and the lifetime of...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ASoC: fslmqs – ofnodeput has been moved to the correct location. ofnodeput should have been executed immediately after mqspriv-regmap = sysconnodetoregmapgprnp;. Otherwise, it causes a reference leak during the successful executi...

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

In the Linux kernel, the following vulnerability has been resolved: ipv6/addrconf: fixed a potential refcount underflow for idev. In addrconfmodrstimer, the reference to idev depends on whether rstimer is not pending. Therefore, the timeout of rstimer was modified. There is a time gap in 1 during...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: serial: caif: holding the tty-link reference in ldiscopen and serrelease A reproducer triggers a KASAN slab-use-after-free in ptywriteroom when caifSerial’s TX path calls ttywriteroom. The faulty access occurs on tty-link-port. A...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: In OpenVSwitch, the defertunnelnetdevput function is delayed until the RCU callback is executed. The ovsnetdevtunnelDestroy function may be executed after NETDEVUNREGISTER has already detached the device. Dropping the reference t...

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

In the Linux kernel, the following vulnerability has been resolved: ceph: The incorrect reference check of Fw was removed when marking pages as dirty. When performing direct IO reads, the system will also attempt to mark pages as dirty. However, for the read path, it does not hold the Fw caps, an...

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: xen: Fixed the issue where resources were not properly released in xenbusdevprobe This patch addresses a issue with the xenbusdevprobe function. In the xenbusdevprobe function, within the if err branch at line 313, the program...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: BPF: Fixed a UAF issue in bpftrampolinelinkcgroupshim The root cause of this bug is that when ‘bpflinkput’ reduces the refcount of ‘shimlink-link.link’ to zero, the resource is considered released, but may still be referenced via...

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: ipv6: fixed a race condition between ipv6getifaddr and ipv6deladdr Although ipv6getifaddr operates under the RCU lock, it still allows hlistforeachentryrcu to return an item that has already been removed from the list. The memory...

Astra Linux – Vulnerability in Firefox and Thunderbird

If an AlignedBuffer is assigned to itself, the subsequent self-move operation may lead to an incorrect reference count, potentially causing a use-after-free issue. This vulnerability affects Firefox 125, Firefox ESR 115.10, and Thunderbird 115.10...

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

In the Linux kernel, the following vulnerability has been resolved: can: j1939: prevents deadlock by changing j1939sockslock to rwlock. The following 3 locks may race against each other, causing a deadlock situation in the Syzbot bug report: - j1939sockslock - activesessionlistlock -...

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: xenbus: Use kref to track the lifetime of requests. Marek reported seeing a NULL pointer fault in the xenbusthread call stack: BUG: NULL pointer dereferencing in the kernel; address: 0000000000000000 RIP:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/sched: Fixed reference leaks related to netdevice objects in attachdefaultqdiscs. In attachdefaultqdiscs, if a device has multiple queues and queue 0 fails to attach a qdisc due to lack of memory during attachonedefaultqdisc,...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fixed the refcount leak for PCI devices According to the comments on pcigetdomainbusandslot, it returns a PCI device with a refcount that increments after use. Therefore, the caller must decrement the reference count ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: dmaengine: dw: dmamux: fix OF node leak on route allocation failure Make sure that the reference to the DMA master OF node is also removed during late route allocation failures...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: fixed a UAF in smb20oplockbreakack. removed references after using opinfo...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: hwrng: amd – Fixed the PCI device reference count leak. foreachpcidev is implemented through pcigetdevice. The comment for pcigetdevice states that it will increase the reference count of the returned pcidev, and also decrease...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ceph: Fixed inode reference leakage in cephgetsnapdir The cephgetinode function will search for or insert a new inode into the hash for the given vino, and return a reference to it. If new is non-NULL, its reference is consumed. ...

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: dmaengine: lpc18xx-dmamux: fix device leak on route allocation Make sure to remove the reference that was used when accessing the DMA mux platform device during route allocation...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ASoC: codecs: wcd934x: Added ofnodeput before wcdb934xcodecparsedata. The devicenode pointer is returned by ofparsephandle with a refcount incremented. We should use ofnodeput on it after the operation is completed. This is simil...