Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: usb: host: ohci-tmio: check return value after calling platformgetresource This vulnerability could lead to a null-ptr-deref issue if platformgetresource returns NULL. Therefore, we need to check the return value...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Additional checks have been added in ntfsfilerelease...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Ice: Avoid bpfprog refcount underflow The Ice driver includes routines for managing XDP resources that are shared between the ndobpf operation and the VSI rebuild flow. The latter occurs, for example, when the user changes the...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ext4: Fixed a potential out-of-bound read issue in ext4fcreplayscan. For the scan loop, it is necessary to ensure that at least EXT4FCTAGBASELEN space is available. If the remaining space is less than EXT4FCTAGBASELEN, it may lea...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ext4: Avoid dividing by 0 in the mbupdateavgfragmentsize function when the block bitmap is corrupted. Determine whether to set bbfragments to 0 instead of determining bbfree to eliminate the risk of dividing by zero when the bloc...

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: afpacket: Avoid errors after sockinitdata in packetcreate. After sockinitdata, the allocated sk object is attached to the provided sock object. In case of an error, packetcreate frees the sk object, leaving a dangling pointer in...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: In net/ieee802154, there is no longer a warning being issued for zero-sized rawsendmsg requests. The syzbot bug triggers a warning when calling skbassertlen at devqueuexmit. For PFIEEE802154 sockets, a zero-sized rawsendmsg reque...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: nfsd: Cleanup of potential nfsdfile refcount leaks in the COPY code path. There are two different versions of the nfsd4copy structure. One is embedded within the compound structure and is used directly in synchronous copies. T...

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

In the Linux kernel, the following vulnerabilities have been resolved: Block, bfq: Fixed a possible UAF issue for bfqq-bic when using the merge chain. 1 Initial state: Three tasks: - Process 1 Process 2 Process 3 - BIC1 BIC2 BIC3 | Λ | Λ | Λ | | | | | V | V | V bfqq1 bfqq2 bfqq3 Process reference...

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

In the Linux kernel, the following vulnerability has been resolved: ALSA: hda: Fixed a possible null-ptr-deref issue when assigning a stream. While AudioDSP drivers assign streams that are exclusively of HOST or LINK type, nothing prevents a user from attempting to assign a COUPLED stream. The...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: Fixed a race condition between rename operations and directory logging. We have a race condition between a rename operation and directory inode logging. If this race condition occurs, and the system crashes or loses power...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: ar5523: Fixed a use-after-free in ar5523cmd when it timed out. syzkaller reported a use-after-free with the stack trace as follows 1: 38.960489 C3 ================================================================== 38.963216...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: The issue involves fixing a use-after-free condition in lazyopptables after delaying the probe. When the function devpmoppoffindiccpaths in allocateopptable returns -EPROBEDEFER, the opptable is freed again, and it waits until al...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: In the md subsystem, there was a issue where the “activeio” value was not properly released after the submitflushes function was called. This caused the “activeio” value to remain unreleased, leading to a situation where...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: - net: dsa: felix: do not use devres for mdiobus. As explained in the commits: - 74b6d7d13307: “net: dsa: realtek: register the MDIO bus using devres”. - 5135e96a3dd2: “net: dsa: do not allocate the slavemiibus using devres”...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Driver: iio: added missing checks for access to iioinfo’s callbacks. Some callbacks from the iioinfo structure are accessed without any checks. Therefore, if a driver does not implement these callbacks, attempting to access th...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: openvswitch: Fixed an issue where stack out-of-bounds reading occurred when fragmenting IPv4 packets. When running openvswitch on kernels built with KASAN, it is possible to observe the following error during the testing of IPv4...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: pstore: ramcore: Fixed an issue where an incorrect success return occurred when vmap failed. In persistentramvmap, vmap may return NULL upon failure. If the offset is non-zero, adding offsetinpagestart causes the function to retu...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: clk: clocking-wizard: Fixed an error in clkwzrdregisterdivider. A match was detected for a potential error of dereferencing the pointer in clkwzrdregisterdivider. If devmclkHWRegister fails, it sets “hw” to an error pointer, and...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mptcp: Race condition in the creation of subflows in mptcprcvspaceadjust. Additional active subflows—i.e., those created by the kernel’s internal processes—are included in the subflow list before the 3whs process starts. If the...