Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ext4: Fixed errors caused by “off-by-one” values when filling blocks with tlv entries during fast-commit operations. Due to several “off-by-one” errors, or perhaps due to a late change in design that wasn’t fully reflected in...

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

In the Linux kernel, the following vulnerability has been resolved: ext4: Avoid allocating blocks from a corrupted group in ext4mbfindbygoal. The logic for checking whether the group’s block bitmap is corrupted is now placed under the protection of the group lock, thereby avoiding the possibility...

Astra Linux – Vulnerability in Linux 5.10

A vulnerability was discovered in the Linux kernel’s blockinvalidatepage function in the fs/buffer.c file of the filesystem. A missing sanity check may allow a local attacker with user privileges to cause a denial of service DOS issue...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: cifs: fixed a small mempool leak in SMB2negotiate. In some cases of failures dialect mismatches in SMB2negotiate, after the request is sent, the checks would return -EIO. Instead, it should return rc = -EIO and then jump to negex...

Astra Linux – Vulnerability in Redis

Redis is an open-source, in-memory database that persists data on disk. When parsing an incoming Redis Standard Protocol RESP request, Redis allocates memory according to values specified by the user, which determine the number of elements in the multi-bulk header and the size of each element in...

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

In the Linux kernel, the following vulnerability has been resolved: f2fs: The issue of information leakage in f2fsmoveInlinedirents has been fixed. When converting an inline directory to a regular one, f2fs leaks uninitialized memory to the disk because it does not initialize the entire directory...

Astra Linux – Vulnerability in Redis

Redis is an open-source, in-memory database that persists data on disk. Versions 8.2.1 and earlier allow an authenticated user to use a specially crafted Lua script to read out-of-bounds data or cause the server to crash, resulting in a denial of service attack. This vulnerability exists in all...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: btrfs: btrfssetheadergeneration must not be moved to after cleantreeblock, because cleantreeblock calls btrfsheadergeneration from commit 55c69072d6bd5be1 “Btrfs: Fix extentbuffer usage when nodesize != leafsize”. In...

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

In the Linux kernel, the following vulnerability has been resolved: nilfs2: A infinite loop has been fixed in nilfsmdtgetblock. If the disk image that nilfs2 mounts is corrupted, and the virtual block address obtained through block lookup for a metadata file is invalid, nilfsbmaplookupatlevel may...

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

In the Linux kernel, the following vulnerability has been resolved: blk-iocost: fixed the divide by 0 error in calclcoefs The issue arises when the value of u64 is set to cost.model, and then trying to perform a division operation. This could lead to a divide by 0 error. Example: echo 8:0...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: In the “block” layer, do not call “rqqosops-donebio” if the bio data structure is not being tracked. The “rqqos” framework is only applied on request-based drivers. Therefore: 1 The “rqqosdonebio” function is not necessary for...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Block, bfq: Fixed a potential Use-after-Free for ‘bfqq-bic’. Our test report identified a Use-after-Free for ‘bfqq-bic’ in 5.10: BUG: KASAN: Use-after-Free in bfqselectqueue+0x378/0xa30 CPU: 6 PID: 2318352 Comm: fsstress Kdump:...

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: ipvti: A potential issue related to slab-use-after-free has been fixed in decodesession6. When the ipvti device is set as a qdisc of the sfb type, the cb field of the sent skb may be modified during enqueueing. This can lead to a...

Astra Linux – Vulnerability in libarchive

A vulnerability has been identified in the libarchive library. This flaw can lead to an over-reading of the heap buffer, as the size of a filter block may exceed the Lempel-Ziv-Storer-Schieber LZSS window. This means that the library may attempt to read beyond the allocated memory buffer, which c...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: scsi.debug: A sanity check was performed to ensure that the block descriptor length in respmodeselect was valid. BUG: KASAN: A use-after-free condition occurred in respmodeselect+0xa4c/0xb40, located in...

Astra Linux – Vulnerability in Samba

A flaw was discovered in the way Samba implemented SMB1 authentication. An attacker could exploit this flaw to retrieve the plain-text password sent over the network, even if Kerberos authentication was required...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: virtio-blk: Fixed a memory leak during the suspend/resume procedure. The vblk-vqs should be freed before calling initvqs in virtblkrestore...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ALSA: gus – fixed a null pointer dereferencing issue in the pointer block. The pointer block returns from sndgf1dmanextblock, and this return value could be null. Therefore, there is a potential null pointer dereferencing issue...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: Corrected the incorrect validation of the next buffer length in smb2setea. There are multiple smb2eainfo buffers in the FILEFULLEAINFORMATION request from the client. ksmbd uses the NextEntryOffset of the current...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix possible memleak when register 'hctx' failed There's issue as follows when do fault injection test: unreferenced object 0xffff888132a9f400 size 512: comm "insmod", pid 308021, jiffies 4324277909 age 509.733s hex dump...