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

In the Linux kernel, the following vulnerability has been resolved: jfs: Do not walk off the end of ealist. Add a check before visiting the members of ea to ensure that each ea remains within the ealist...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: skmsg: Skip zero length skb in skmsgrecvmsg When running BPF selftests ./testprogs -t sockmapbasic on a Loongarch platform, the following kernel panic occurs: ... Oops1: CPU: 22 PID: 2824 Comm: testprogs Tainted: G OE 6.10.0-rc2+...

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

In the Linux kernel, the following vulnerability has been resolved: ftruncate: passing a signed offset. The old ftruncate system call, which uses the 32-bit offt type, misses a sign extension when called in compat mode on 64-bit architectures. As a result, passing a negative length accidentally...

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

In the Linux kernel, the following vulnerability has been resolved: nilfs2: added a missing check for inode numbers on directory entries. Syzbot reported that mounting and unmounting a specific pattern of corrupted nilfs2 filesystem images causes a use-after-free of metadata file inodes, which...

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

In the Linux kernel, the following vulnerability has been resolved: riscv/mm: Added handling for VMFAULTSIGSEGV in mmfaulterror. Handle VMFAULTSIGSEGV in the page fault path so that we can correctly kill the process without causing bugs in the kernel...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: f2fs: assign CURSEGALLDATAATGC if blkaddr is valid mkdir /mnt/test/comp f2fsio setflags compression /mnt/test/comp dd if=/dev/zero of=/mnt/test/comp/testfile bs=16k count=1 truncate --size 13 /mnt/test/comp/testfile In the above...

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

In the Linux kernel, the following vulnerability has been resolved: nilfs2: Handling of inconsistent states in nilfsbtnodecreateblock. Syzbot reported that an inconsistency in the buffer state was detected in nilfsbtnodecreateblock, which triggered a kernel bug. It is not appropriate to consider...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: fixed an issue where the extent map was used after freeing memory when adding pages to compressed Bio data structures. In the function addrabiopages, we access the extent map to calculate ‘addsize’. After releasing the...

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

In the Linux kernel, the following vulnerability has been resolved: Wifi: cfg80211: handling of 2x996 RU allocation in cfg80211calculatebitratehe Currently, NL80211RATEINFOHERUALLOC2x996 is not handled in cfg80211calculatebitratehe, resulting in the following warning: kernel: Invalid HE MCS: bw:6...

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

In the Linux kernel, the following vulnerability has been resolved: ipv6: fixed a possible Use-after-Allocation UAF in ip6finishoutput2. If skbexpandhead returns NULL, the skb is freed, and the associated dst/idev may also be freed. We need to hold the rcureadlock to ensure that the dst and...

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

In the Linux kernel, the following vulnerability has been resolved: netem: fixed the return value if duplicate enqueue fails. There is a bug in netemenqueue, introduced by the commit 5845f706388a “net: netem: fix skb length BUGON in skbtosgvec”, which can lead to a use-after-free. This commit...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: SHAMPO, Fix incorrect page release Under the following conditions: 1 No skb has been created yet. 2 headersize == 0 no SHAMPO header. 3 headerindex + 1 % MLX5ESHAMPOWQHEADERPERPAGE == 0 this is the last page fragment o...

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

In the Linux kernel, the following vulnerability has been resolved: tcpbpf: The return value of tcpbpfsendmsg was corrected. When we use the cork mechanism in psock-cork, the last message triggers flushing, resulting in sending a skmsg that is larger than the current message size. In this case, i...

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

In the Linux kernel, the following vulnerabilities have been resolved: ASoC: meson: axg-card: fixed “use-after-free” issue The buffer “card-dailink” is reallocated in “mesoncardreallocatelinks”. Therefore, the initialization of the “pad” pointer should be moved after this function, when the memor...

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

In the Linux kernel, the following vulnerability has been resolved: ext4: Avoid use-after-free in ext4extshowleaf In ext4findextent, the path may be freed by an error or reallocated. Therefore, using a previously saved ppath may have already been freed, thereby potentially causing a use-after-fre...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: avoid adding an interface to the list twice when SER occurs. If SER L2 occurs during the WoWLAN resume flow, the interface addition process is triggered by ieee80211reconfig. However, due to the return failure of...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: scsi: wd33c93: Do not use an outdated SCSI pointer value. A regression was introduced with the commit dbb2da557a6a “scsi: wd33c93: Move the SCSI pointer to private command data”, which resulted in a buffer overflow error in...

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: Nilfs2: Fixed a kernel bug caused by failing to clear the buffer delay flag. Syzbot reported that after Nilfs2 reads a corrupted file system image and becomes read-only, the BUGON check for the buffer delay flag in submitbhwbc ma...

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: RDMA/bnxtre: A bug was fixed while setting up Level-2 PBL pages. Memory corruption is avoided when setting up Level-2 PBL pages for non-MR resources when numpages 256K. There will be a single PDE page address consecutive pages in...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: i40e: A race condition was fixed by adding an intermediate filter synchronization state. A race condition in the i40e driver was addressed, preventing MAC/VLAN filters from becoming corrupted and leaking data. This issue occurs...