Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: eventpoll: Fixed semi-unbounded recursion. Ensured that epoll instances never form a graph with more than EPMAXNESTS+1 links. Currently, eploopcheckproc ensures that the graph is free of loops and performs some recursion depth...

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

In the Linux kernel, the following vulnerabilities have been resolved: media: dvb-frontends: dib7090p: A fix was added for the null pointer dereference in dib7090prwonapb. In dib7090prwonapb, msg is controlled by the user. When msg0.buf is null and msg0.len is zero, previous checks on msg0.buf...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: Corrected the incorrect validation of the numaces field in smbacl. parsedcal now validates numaces to allocate an array of posixacestatearray. If numaces is greater than ULONGMAX / sizeofstruct smbace++, it results in a...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: - Block: Fixed integer overflow in BLKSECDISCARD. - I independently rediscovered this issue by making the commit: 22d24a544b0d49bbcbd61c8c0eaf77d3c9297155. - Block: Fixed overflow in blkioctldiscard. But there’s still a proble...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ptp: The logic that checks ptp-nvclocks has been removed from ptpvclockinuse. It’s clear that we should check both ptp-isvirtualclock and ptp-nvclocks to determine whether the ptp virtual clock is in use. However, when we access...

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

In the Linux kernel, the following vulnerability has been resolved: pinctrl: stm32 – Fixed a refcount leak in stm32pctrlgetirqdomain. The function ofirqfindparent returns a node pointer with the refcount incremented. We should use ofnodeput on it when it is no longer necessary. Add the missing...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Added a null check for the ‘afb’ variable in the amdgpudmplanehandlecursorupdate function v2. This commit incorporates a null check for the ‘afb’ variable within the amdgpudmplanehandlecursorupdate function...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/pm: Fixed the null pointer dereferencing issue for vega10HWmogr. Checked the return value and performed null pointer handling to avoid null pointer dereferencing...

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: DM snapshot: Fixed the lock-up issue in dmexceptiontableexit. A lock-up was reported when exiting a snapshot with many exceptions. This issue has been fixed by adding the variable “condresched” to the loop that frees the exceptio...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: sound/virtio: Fixed warnings related to cancelsync on uninitialized workstructs. Betty reported encountering the following warning: 8.709131 T221 WARNING: CPU: 2 PID: 221 at kernel/workqueue.c:4182 ... 8.713282 T221 Call trace:...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: iouring/rw: Defer fsnotify calls to task context. We cannot defer these calls outside of the kiocb completion, as that might be off-soft/hard IRQ context. We should defer the calls until we process the taskwork for this reques...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm: amd: display: Fix memory leakage This commit addresses the memory leakage issue in the dcconstructctx function...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: usb: ax88179178a: Fixed out-of-bounds accesses in RX fixup The ax88179rxfixup function contains several out-of-bounds accesses that can be triggered by a malicious or defective USB device. Specifically: - The metadata array...

Astra Linux – Vulnerability in Linux, Linux 5.10

A issue was discovered in the Linux kernel for PowerPC before version 5.14.15. It allows a malicious KVM guest to crash the host, when the host is running on Power8, due to a bug in the implementation of arch/powerpc/kvm/book3shvrmhandlers.S, which handles the values of the SRR1 register...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: usb: gadget: uvc: Fixed a dereference of ERRPTR in uvcv4l2.c. Fixed the potential dereference of ERRPTR in findformatbypix and uvcv4l2enumformat. Also, fixed the following matching errors:...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fixed a possible use-after-free in the async command interface The mlx5cmdcleanupasyncctx function should only return after all its callback handlers are completed. Before this patch, there was a race between...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mptcp: fixed the issue of re-injecting data from stale subflows. When the MPTCP Process Manager detects that a subflow is stale, the packet scheduler must re-inject all the unacknowledged data at the mptcp level. To avoid acquiri...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net/sunrpc: fixed potential memory leaks in rpcsysfsxprtstatechange. This issue occurs during certain error-handling paths. When the function fails to obtain the object xprt, it simply returns 0, forgetting to decrease the...

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

In the Linux kernel, the following vulnerability has been resolved: f2fs: Explicitly terminate the xattr list with a null character. When setting an xattr, ensure that the xattr list is explicitly terminated with a null character. This eliminates the fragile assumption that the unused xattr space...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: f2fs: fixed the issue where foreground garbage collection might be triggered during f2fsmapblocks in lfs mode. When the “mode=lfs” mount option is used, the error generic/299 will cause a system panic. ------------ Cut here...