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: f2fs: added a sanity check on sitbitmapsize. With the above testcase, resizing will generate a corrupted image that contains inconsistent metadata. Therefore, when mounting such an image, it will trigger a kernel panic. Steps to...

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

In the Linux kernel, the following vulnerabilities have been resolved: blk-rq-qos: fixed a crash that occurred during the race between rqqoswait and rqqoswakefunction. We are encountering crashes due to rqqoswakefunction, which manifest as follows: BUG: Unable to handle a page fault for address:...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: afunix: Do not use GC if MSGPEEK occurred. Igor Ushakov reported that GC purged the receive queue of a live socket due to a race with MSGPEEK, with a fix provided. This is exactly the same issue that was previously fixed in the...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: eventpoll: Deferring the epfree function in eventpoll.c to an RCU callback during a grace period. In certain situations, epfree in eventpoll.c will free the epi-ep structure while it is still being used by another concurrent...

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

In the Linux kernel, the following vulnerability has been resolved: net: bridge: xmit: Ensure that the ethheaderlen field is set to a valid value. The syzbot triggered an uninitvalue1 error in the bridgedevice’s xmit path by sending a packet shorter than ETHHLEN bytes. To fix this issue, check...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: qca – fixed an issue where information was leaked when retrieving the board ID. A missing sanity check was added when retrieving the board ID to prevent the leakage of slab data when later requesting the firmware...

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

In the Linux kernel, the following vulnerability has been resolved: net/smc: Fixed an illegal access to rmbdesc during SMC-D connection dumping. A crash was detected when dumping SMC-D connections. This issue can be reproduced by performing the following steps: 1. Run the nginx/wrk test: smcrun...

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: usb: udc: remove warning when queue disabled ep It is possible for this issue to occur when the mass storage function tries to queue requests from the main thread. However, other threads may already disable the endpoint when the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/nouveau/kms/nv50-: fixed the file release memory leak. When using singleopen to open a device, singlerelease should be called. Otherwise, the “op” that was allocated in singleopen will be leaked...

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

In the Linux kernel, the following vulnerability has been resolved: ipvs: Properly dereferencing pe in ipvsaddservice. Use pe directly to resolve the sparse warning: net/netfilter/ipvs/ipvsctl.c:1471:27: warning: dereference of noderef expression...

Astra Linux – Vulnerability in Linux

A issue was discovered in the FUSE filesystem implementation in the Linux kernel before 5.10.6, also known as CID-5d069dbe8aaf. The fusedogetattr function calls makebadinode in inappropriate situations, causing a system crash. NOTE: The original fix for this vulnerability was incomplete, and its...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: drm/amd/display: Added a null check before passing variables. Checked for null pointers before passing variables to functions. This fix resolves 3 NULLRETURNS issues reported by Coverity...

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: scsi: lpfc: Use memcpy for BIOS version The strlcat function with FORTIFY support triggers a panic because it assumes that the target buffer will overflow, even though the correct target buffer size is provided. In any case,...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: rfi: fix potential response leaks If the check for the rx payload length fails, or if kmemdup fails, we still need to free the command response. Fix that...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: nl80211 – Set special AP channel widths to disallowed. Setting the AP channel width is intended for use with the standard 20/40/… MHz channel width progression. Switching between narrow channels in S1G mode is not supported...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: enetc: avoid deadlock in enetctxonesteptstamp This lockdep message explains it better than I could: ================================= WARNING: inconsistent lock state 6.2.0-rc2-07010-ga9b9500ffaac-dirty 967 Not tainted...

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: iio:pressure:zpa2326: Fixed information leakage in the triggered buffer. The sample local struct is used to push data to user space from a triggered buffer. However, there is a flaw in the structure’s fields: the temperature and...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: soc: ti: k3-socinfo: Fixed the regmap leak that occurs during probe failures. The mmio regmap allocated during the probe never gets freed. We have switched to using the device-managed allocator, so that the regmap is released...

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

In the Linux kernel, the following vulnerability has been resolved: In md/raid10, the issue of null-ptr-deref in raid10syncrequest has been fixed. In initresync, the mempool is initialized, and conf-havereplacemnt is set to 0 at the beginning of the sync process. closesync frees the mempool when...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fix for a variable not being completed when the function returns When cmdallocindex fails, cmdworkhandler needs to complete ent-slotted before returning early. Otherwise, the task that issued the command may hang...