Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: tpm: acpi: Calling acpiputtable to fix a memory leak. The size of the event log area is obtained from the TPM2 or TCPA table. Therefore, we call acpigettable to retrieve ACPI information. However, acpigettable should be used in...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: iio: chemical: sps30i2c: fix the buffer size in sps30i2creadmeas The value of sizeofnum is evaluated as sizeofsizet 8 bytes on 64-bit systems, instead of the intended be32 element size 4 bytes. Use sizeofmeas to correctly match t...

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

In the Linux kernel, the following vulnerabilities have been resolved: ptpqoriq: fixed a memory leak in probe Smatch reports the following issue: drivers/ptp/ptpqoriq.c, ptpqoriqprobe: warning that the ‘base’ from ioremap was not released. This issue can be fixed by revising the parameter from...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: objtool: Fixed the SEGFAULT issue. findinsn: This function will return NULL in case of failure. Check the insn order to avoid a kernel error due to NULL pointer dereferencing...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: A NULL pointer dereference occurred in meshrxcsaframe. In meshrxcsaframe, elems-meshchanswparamsie was dereferenced at lines 1638 and 1642, without a prior NULL check: c ifmsh-chswttl =...

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

In the Linux kernel, the following vulnerabilities have been resolved: mptcp: Ensure that sndnxt is properly initialized upon connection. Christoph reported a crash hinting at a corrupted snduna: WARNING: CPU: 1 PID: 38 at net/mptcp/protocol.c:1005 mptcpcleanuna+0x4b3/0x620...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Skip on writeback when it’s not applicable REASON The dynamic memory safety error detector KASAN detects and generates error messages like “BUG: KASAN: slab-out-of-bounds”. The writeback connector does not suppor...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: smb3: A missing lock occurs when picking the channel. Coverity has identified a point where we should have held the channel lock when accessing the ses channel index. Address-Coverity: 1582039 “Data race condition MISSINGLOCK”...

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 vulnerabilities have been resolved: jffs2: Prevent the xattr node from overflowing the eraseblock. A check has been added to ensure that the requested xattr node size is not larger than the eraseblock minus the cleanmarker. Unlike traditional inode nodes, xattr...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: fixed the issue of adding a block group to the reclaim list and the unused list during reclaiming operations. There is a potential parallel processing for retry operations in btrfsreclaimbgswork, and this process can al...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: fixed a race condition between direct IO writes and fsync operations when using the same file descriptor. If we have two threads that use the same file descriptor, and one of them performs direct IO writes while the other...

Astra Linux – Vulnerability in Linux

A vulnerability was discovered in the Linux kernel in versions prior to v5.14-rc1. Missing size validations on inbound SCTP packets may allow the kernel to read uninitialized memory...

Astra Linux – Vulnerability in Linux

It was discovered that the eBPF implementation in the Linux kernel failed to properly track bound information for 32-bit registers when performing division and modulo operations. A local attacker could use this vulnerability to potentially execute arbitrary code...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: TCP: Added sanity tests to TCPQUEUESEQ Qingyu Li reported a syzkaller bug where the repro function changed the RCV SEQ after restoring data in the receive queue. mprotect0x4aa000, 12288, PROTREAD = 0 mmap0x1ffff000, 4096, PROTNON...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: schhtb: Made htbdeactivate idempotent. Alan reported a NULL pointer dereference in htbnextrbnode after we made htbqlennotify idempotent. It turns out that in the following case, some regressions were introduced: htbdequeuetree...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: mana: Fixed a possible double-free in the error handling path. When auxiliarydeviceadd returns an error and then calls auxiliarydeviceuninit, the callback function adevrelease calls kfreemadev. We should not call kfreemadev...

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

In the Linux kernel, the following vulnerability has been resolved: net: stmmac: A zero-division error occurs when disabling tc-cbs. The commit b8c43360f6e4 “net: stmmac: No need to calculate the speed divider when offload is disabled” allows the “porttransmitratekbps” parameter to be set to 0...

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: Driver core: Bus – Fixed a double-free in the driver API function busregister. For busregister, any error that occurs after ksetregister will cause the @priv variable to be freed twice. This issue was fixed by setting @priv to NU...

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 cache: fix out-of-bounds access to the dirty bitset when resizing dm-cache checks the dirty bits of the cache blocks to be dropped when shrinking the fast device, but an index bug in bitset iteration causes out-of-bounds acces...