Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: Do not log conflicting inodes if it’s a directory that was moved during the current transaction. We cannot log an conflicting inode if it’s a directory that was moved from one parent directory to another parent directory...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: When a multichannel SMB2SESSIONSETUP request with SMB2SESSIONREQFLAGBINDING fails, ksmbd sets conn-binding = true, but never clears this value during the error path. As a result, the connection remains in a binding state,...

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

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: Avoid using the nfcthelperhash after a free operation. If the nfconntrackinitstart function fails e.g., due to a registernfconntrackbpf failure, the nfconntrackhelperfini cleanup routine frees the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: nvdimm/bus: Fixed potential use of resources after freeing memory during asynchronous initialization. Dingisoul with KASAN reported a situation where use of resources occurs after freeing memory if deviceadd fails in...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: spi: Fixed a use-after-free issue during controller registration failures. Be sure to also deregister from the driver core in case the per-cpu statistics allocation fails during controller registration, in order to avoid...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Staging: greybus: lights: Avoid dereferencing NULL values. The gblightslightconfig function stores the channelcount before allocating the channels array. If kalloc fails, gblightsrelease iterates over the non-zero count and...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: fixed an issue where an uninitialized pointer was freed during the readalloconename function. The readalloconename function does not initialize the name field of the passed fscryptstr structure if kmalloc fails to allocate...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: hwmon: ibmpex Fixed a possible Use-after-Allocation UAF condition when ibmpexregisterbmc fails. A warning message was generated as follows: drivers/hwmon/ibmpex.c:509: Error message from ibmpexregisterbmc: “&data-list” was not...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: mm/memory-failure: fixed handling of dissolved but not removed from buddy pages. When I conducted memory failure tests recently, the following panic occurred: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: perf: hisi: Fixed a use-after-free issue when attempting to register the uncore PMU. When we fail to register the uncore PMU, the PMU context may not be allocated. Handling this error will involve calling cpuhpstateremoveinstance...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: nilfs2: Replaces WARNONs with nilfserror in cases where checkpoint acquisition fails. If the creation or finalization of a checkpoint fails due to anomalies in the checkpoint metadata on disk, a kernel warning is generated. This...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: platform/chrome: crosusbpdnotify: Fixed error handling in crosusbpdnotifyinit. The following warning message was given when using rmmod crosusbpdnotify: “Unexpected driver unregister!” Warning: CPU: 0 PID: 253 at...

Astra Linux – Vulnerability in gnutls28

A issue was discovered in GnuTLS before version 3.6.15. A server can cause a NULL pointer dereferencing in a TLS 1.3 client if a norenegotiation alert is sent at an unexpected time, resulting in an invalid second handshake. The crash occurs during the application’s error handling process, where t...

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

In the Linux kernel, the following vulnerability has been resolved: Wifi: ath9k: hifusb: Clean up skbs if ath9khifusbrxstream fails Syzkaller detected a memory leak of skbs in ath9khifusbrxstream. While processing skbs in ath9khifusbrxstream, the already allocated skbs in skbpool are not freed if...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: Firmware: armscpi: Ensure that scpiinfo is not assigned if the probe fails. When the scpi probe fails at any point, we need to ensure that scpiinfo is not set and will remain NULL until the probe succeeds. If this issue is not...

Astra Linux – Vulnerability in Linux 5.10

A use-after-free flaw was discovered in the addpartition function in the block/partitions/core.c file within the Linux kernel. A local attacker with user privileges could cause a denial of service on the system. The issue arises due to the lack of code cleanup when the deviceadd function fails...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: selinux: Fixed a NULL pointer dereferencing issue when hashtab allocation fails. When the allocation of the hash table slot array fails in hashtabinit, h-size is initialized with a non-zero value, but the h-htable pointer is...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/nouveau: Avoid a use-after-free when BO init fails nouveauboinit is backed by ttmboinit and passes its return code back to the caller. In case of failures, ttmboinit invokes the provided destructor, which should...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: BPF, sockmap: Fixed a potential memory leak in an unlikely error case. If the skblinearize function is required and fails, we might leak a message during error handling. To address this issue, we ensure that we free the message...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Fixed a potential memory leak in paprgetattr. The buffer is allocated in paprgetattr, and the krealloc call for buf could fail. In the event of a failure, we need to free the original buf...