Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: RDMA/cm: Fixed the issue of leaking the multicast GID table reference. If the CM ID is destroyed while the CM event for multicast creation is still queued, the cancelworksync function will prevent the work from running. This also...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net: openvswitch: removed the never-working support for setting nsh fields. The validation of the setnsh... action is completely incorrect. It involves the nshkeyputfromnlattr function, which is the same function used to...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: pagepool: Fixed a use-after-free in pagepoolrecycleinring. syzbot reported a UAF Use-After-Fault in pagepoolrecycleinring: BUG: KASAN: Slab-use-after-free in lockrelease+0x151/0xa30 in kernel/locking/lockdep.c:5862. A size 8...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: A panic occurs when an IPv4 route references a loopback IPv6 nexthop. When a standalone IPv6 nexthop object is created with a loopback device e.g., “ip -6 nexthop add id 100 dev lo”, the fib6nhinit function misclassifi...

Astra Linux – Vulnerability in sssd

A flaw was discovered in the System Security Services Daemon SSSD. The pampasskeychildreaddata function within the PAM passkey responder fails to properly handle raw bytes received from a pipe. Since the data is treated as a NUL-terminated C string without an explicit termination, this leads to a...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fixed an out-of-bounds write in kfdeventpageset. The kfdeventpageset function writes KFDSIGNALEVENTLIMIT 8 bytes via memset, without checking the buffer size parameter. This allows unprivileged userspace to trigger an...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fbdev: bitblit: In the bitPutcs function, the bound-check glyph index was derived from the character value masked by 0xff or 0x1ff. This may lead to reading beyond the end of the built-in font array, exceeding the actual number o...

Astra Linux – Vulnerability in freerdp3

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.22.0, the ecamencodercompressh264 function relied on server-controlled dimensions and did not validate the source buffer size, resulting in a out-of-bounds read in swsscale. This vulnerability has been fixed in...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: Media: dvb-core: Fixed an issue where incorrect reinitializations of the ringbuffer occurred upon reopening the device. The dvbdvropen function calls dvbringbufferinit, when a new reader opens the DVR device. dvbringbufferinit th...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: xen-netback: Rejects configurations with a zero queue count from guests. A malicious or faulty Xen guest can set the value of the xenbus key “multi-queue-num-queues” to “0”. The connect function in the backend only validates the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksm: The range-walk function is used to bypass holes in scangetnextrmapitem. Currently, scangetnextrmapitem walks every page address in a VMA to locate mergeable pages. This approach becomes highly inefficient when scanning large...

Astra Linux – Vulnerability in Harfbuzz

HarfBuzz is a text shaping engine. Prior to version 12.3.0, there was a null pointer dereference vulnerability in the SubtableUnicodesCache::create function located in src/hb-ot-cmap-table.hh. The function fails to check whether hbmalloc returns NULL before using placement new to construct an...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: libceph: Potential out-of-bounds writes have been prevented in the handleauthsessionkey function. The len field originates from untrusted network packets. Boundary checks have been added to prevent potential out-of-bounds writes...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: NFSD: NFSv4 file creation neglects setting the ACL. A NFSv4 client that sets an ACL with a named principal during file creation retrieves the ACL later. It finds that the ACL is only a default ACL based on the mode bits, not the...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: power: supply: cpcap-battery: Fixed the use-of-memory issue in powersupplychanged. By using the devm variant to request the IRQ before using the devm variant to allocate/register the powersupply handle, it becomes possible that t...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fixed an issue where engid could be negative, causing the streamenc regs array to be indexed out of bounds. The variable engid is used directly as an index into the streamenc regs array, which has only 5 elements...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Platform/x86: classmate-laptop: Added NULL pointer checks where necessary. In several places within the Classmate laptop driver, code that uses the accel object may execute before its address is stored in the driver’s data...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: gadget: Use-after-free during failed initialization and exit of cdnsp gadget In the cdnspgadgetinit and cdnspgadgetexit functions, the gadget structure pdev-gadget was freed before its endpoints. The endpoints are...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Ceph: Proper snapshot context was provided for the cephzeropartialobject function. The cephzeropartialobject function lacked the correct snapshot context for its OSD write operations, which could lead to inconsistencies in...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: smbd: fix dmaunmapsg nents The dmaunmapsg functions should be called with the same nents as the dmamapsg, not with the value returned by the map function...