Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mmc: sdhci: The issue of setting maxsegsize to 64KiB PAGESIZE has been fixed. blkqueuemaxsegmentsize: It is ensured that: if maxsize maxsegmentsize PAGESIZE return -EINVAL; This change exposes the vulnerability in sdhci, which...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: blk-mq: Ensure that the active queue usage is retained for biointegrityprep. The function blkintegrityunregister may be called if the queue usage counter is not retained for a bio with integrity prepared. This could lead to a...

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

In the Linux kernel, the following vulnerability has been resolved: drm/panel: fixed a possible null pointer dereferencing issue. In versatilepanelgetmodes, the return value of drmmodeduplicate is assigned to mode, which could lead to a NULL pointer dereferencing issue if drmModeduplicate fails. ...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: Handled the chunk tree lookup error in btrfsrelocatesyschunks. The unhandled case in the btrfsrelocatesyschunks loop is a corruption. This can only occur under two impossible conditions: - First, the search key is set t...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Drivers: vmbus: Check for channel allocation before looking up relids relid2channel assumes that the vmbus channel array is allocated when it is called. However, in situations like kdump/kexec, not all relids will be reset by...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, from version 5.19.9 onwards, the drivers/scsi/stex.c file allows local users to access sensitive information from kernel memory. This occurs because the stexqueuecommandlck function lacks a memset for the PASSTHRUCMD case...

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

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fixed a NULL pointer dereferencing issue in gfs2rgrpdump. Syzkaller reported a NULL pointer dereferencing issue when accessing rgd-rdrgl in gfs2rgrpdump. This can occur when creating rgd-rdgl fails in readrindexentry. A NUL...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: BPF: bpfskstorage: Fixed invalid wait context lockdep report "The ./testprogs -t testlocalstorage" command reported a splat error: 27.137569 ============================= 27.138122 BUG: Invalid wait context 27.138650...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: nilfs2: A shift-out-of-bounds condition has been fixed due to an overly large exponent of the block size. If the slogblocksize field in the superblock data is corrupted and too large, initnilfs and loadnilfs may still trigger a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: jbd2: fixed the potential buffer head reference count leak. In the case of jbd2fcwaitbufs, if the buffer is not up-to-date, it will return -EIO without updating journal-jfcoff. However, in jbd2fcreleasebufs, the buffer head will ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: erofs: Fix for the missing unmap operation when zerofsgetextentcompressedlen fails. Otherwise, meta buffers could be leaked...

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: Netwerk: Ethernet: mtkethsoc: A possible NULL pointer dereferencing has been fixed in the mtkhwlrogetfdirall function. The rulelocs variable is allocated in the ethtoolgetrxnfc function, and its size is determined by rulecnt from...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: netfilter: ebtables: fixed the issue of using a blob after it was freed. We are not allowed to return an error at this point. Looking at the code, it seems that ret is always 0 at this point, but that’s not the case. c t =...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: serial: 8250bcm7271: The leak in brcmuartprobe has been fixed. Matching reports: drivers/tty/serial/8250/8250bcm7271.c: Line 1120 of brcmuartprobe, warning: “‘baudmuxclk’ from clkprepareenable was not released”. The issue has bee...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Thermal: Intel: quarkdts: fixed error pointer dereference. If allocsocdts fails, we can simply return. Trying to free “socdts” will result in a Oops error...

Astra Linux – Vulnerability in Linux 5.10

A out-of-bounds memory write flaw was discovered in the Linux kernel’s watchqueue event notification subsystem. This flaw can overwrite parts of the kernel state, potentially allowing a local user to gain privileged access or cause a denial of service on the system...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: bpf, sockmap: Fixed the warning related to sk-skforwardalloc in skstreamkillqueues. When running testsockmap in selftests, the following warning appears: WARNING: CPU: 2 PID: 197 at net/core/stream.c:205...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: Binder: Fixed a UAF Use-After-Free issue caused by a race condition involving ref-proc. A transaction of type BINDERTYPEWEAKHANDLE may fail to increment the reference count of a node. In this case, the target proc normally releas...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ksmbd: The use-of-memory issue was fixed by using callrcu for oplockinfo. Currently, ksmbd frees oplockinfo immediately using kfree, even though it is accessed during critical sections of the RCU read-side, such as in functions...

Astra Linux – Vulnerability found in Linux 5.10, 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...