Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: The issue of page corruption caused by aracy check in freepages has been fixed. When we upgraded our kernel, we began encountering certain types of page corruption, such as the following: - BUG: Bad page state in the process...

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 vulnerability has been resolved: ocfs2: Passing a u64 value to ocfs2truncateInline may lead to an overflow. Syzbot reported a kernel bug in ocfs2truncateInline. There are two reasons for this: first, the passed parameter value is greater than...

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

In the Linux kernel, the following vulnerabilities have been resolved: Drivers: Media: dvb-frontends/rtl2832 – Fixed an out-of-bounds write error. Ensured that the index in rtl2832pidfilter does not exceed 31 to prevent out-of-bounds access. dev-filters is a 32-bit value; therefore, the setbit an...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: thermal/drivers/broadcom: Fixed potential NULL dereferencing in srthermalprobe. platformgetresource may return NULL; added proper checks to avoid potential NULL dereferences...

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: target: Fixed a NULL pointer dereferencing in corescsi3decodespeciport. The function corescsi3decodespeciport, during its error code path, corescsi3lunaclundependitem, passing the destsedeve pointer, which may be NULL. This...

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: bpf: Check the validity of link-type in bpflinkshowfdinfo If a newly added link type does not invoke BPFLINKTYPE, accessing bpflinktypestrslink-type may lead to an out-of-bounds access. To detect such missed invocations early on ...

Astra Linux – Vulnerability in u-boot

A issue was discovered in Das U-Boot during the period from 2019.07. There is an unbounded memcpy operation with a failed length check at nfslookupreply...

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

In the Linux kernel, the following vulnerability has been resolved: The issue in the j1939tptxdatnew function could lead to out-of-bounds memory access. In the j1939tptxdatnew function, an out-of-bounds memory access might occur during the memcpy operation if the size of skb-cb is larger than the...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: RISCV: kprobe: Fixed kernel panic when probing an illegal position The kernel would panic when trying to probe an illegal position. For example: CONFIGRISCVISAC=n Example code: bash echo 'p:hello kernelclone+0x16 a0=%a0'...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drivers/perf: hisipcie: Fixed out-of-bound access when a valid event group is used. The perf tool allows users to create event groups using the cmd 1. However, the driver does not check whether the array index is out of bounds wh...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: bnxten: Fixed a possible crash in bnxthwrmsetcoal During the error recovery sequence, the rtnllock is not held for the entire duration, and some data structures may be freed during this process. Instead of checking netifrunning,...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: drm/msm/dsi: fixed memory corruption caused by too many bridges. Added a missing sanity check on the bridge counter to prevent corruption of data beyond the fixed-sized bridge array, in case there are ever more than eight...

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: Netfilter: xtnfacct – Do not assume that the acct name is terminated with a null character. BUG: KASAN: Out-of-bounds access to memory in ..lib/vsprintf.c:721 Size 1 was read at address ffff88801eac95c8 by task...

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

In the Linux kernel, the following vulnerability has been resolved: drm/msm/mdp5: Added a check for kzalloc. Since kzalloc may fail and return a NULL pointer, it’s better to check the return value in order to avoid dereferencing a NULL pointer. Patchwork:...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

Linux Kernel nftables: Vulnerability involving local privilege escalation after free operations; nftchainlookupbyid fails to check whether a chain is active, and CAPNETADMIN is present in any user or network namespace...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: jbd2: fixed a potential use-after-free issue in jbd2fcwaitbufs. In jbd2fcwaitbufs, using bh after referencing the buffer’s head count may lead to a use-after-free. Therefore, ensure that the buffer is updated before referencing i...

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

In the Linux kernel, the following vulnerabilities have been resolved: gfs2: Always check the inode size of inline inodes. Check whether the inode size of inline inodes is within the allowed range when reading inodes from the disk gfs2dinodein. This prevents on-disk corruption. The two checks in...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: jfs: fixed a null pointer dereference in dtInsertEntry Reported by syzbot General protection fault, likely for a non-canonical address 0xdffffc0000000001: 0000 1 PREEMPT SMP KASAN PTI KASAN: nullptrderef in range...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: CDC-NCM: Avoid overflows in sanity checks. A malfunctioning device may produce an extreme offset like 0xFFF0, along with a fragment of reasonable length. In the currently formulated sanity check, this will cause an integer...