Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: TCP: Fixed a data race around the sysctltcpprobeinterval variable. When reading sysctltcpprobeinterval, it can be changed concurrently. Therefore, we need to add READONCE to its reader function...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: zsmalloc: Fixed races between asynchronous zspage free operations and page migration. The asynchronous zspage free worker attempts to lock the entire page list of a zspage, without protecting against page migration. Since page...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: bpf: A potential array overflow has been fixed in bpftrampolinegetprogs. The cnt value in the cnt = BPFMAXTRAMPPROGS check does not include BPFTRAMPMODIFYRETURN bpf programs. As a result, the number of BPFTRAMPMODIFYRETURN bpf...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: misc: fastrpc: Fix for copy buffer page size For non-registered buffers, the fastrpc driver copies the buffer and passes it to the remote subsystem. There is a problem with the current implementation of page size calculation, ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ceph: Fix for a possible deadlock when holding Fwb to get inlinedata 1. Mount with wsync. 2. Create a file with ORDWR, and the request is sent to mds.0: cephatomicopen -- cephmdscdorequestopenc finishopenfile, dentry, cephopen --...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: mt76: Fixed a use-after-free by removing a non-RCU wcid pointer. This fix addresses an issue detected by KASAN regarding use-after-free in mt76txqschedule. This was done by protecting mtxq-wcid with rculock between...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ath10k: skipped ath10khalt during suspend for the driver state RESTARTING. A double-free crash occurs when FW recovery caused by wmi timeout/crash is followed by an immediate suspend event. FW recovery is triggered by...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ath11k: Disable spectral scan during spectral deinit When ath11k modules are removed using rmmod with spectral scan enabled, a crash occurs. Different crash traces are observed for each instance of the crash. Send a command to...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: sock: The protection check for psock vs. ULP needs to be reimplemented. Commit 8a59f9d1e3d4 “sock: Introduce sk-skprot-psockupdateskprot” has moved the inetcskhasulpsk check from skpsockinit to the new tcpbpfupdateproto function....

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: f2fs: fixed the issue of clearing dirty inodes in f2fsevictinode. As reported by Yanming in Bugzilla: https://bugzilla.kernel.org/showbug.cgi?id=215904 The kernel message is as follows: Kernel BUG at fs/f2fs/inode.c:825! Call...

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: net: usb: rtl8150: enable basic endpoint checking Syzkaller reports that he encountered a common issue during the URB submission phase, where a wrong USB endpoint type was used. This triggered a warning as follows: For now,...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: wcn36xx – Fix the memory allocation size for channel survey. KASAN reported a memory allocation issue in wcn-chansurvey, due to incorrect size calculations. This commit uses kcalloc to allocate memory for wcn-chansurvey,...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: md/md-bitmap: Synchronized bitmapgetstats with the lifetime of the bitmap. After the commit with code ec6bb299c7c3 “md/md-bitmap: added ‘syncsize’ to struct mdbitmapstats”, a panic is reported: Oops: General Protection Fault,...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: scsi: lpfc: Fixed the deadlock issue in the SCSI I/O completion and abort handling routines. During stress I/O tests with 500+ vports, hard lockup calls were observed. CPU A: - nativequeuedspinlockslowpath+0x192 -...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Check for a null pointer of the pointer substream before dereferencing it. The pointer substream is dereferenced during the assignment of the pointer to the card. This occurs before the substream is checked for nullnes...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ath9khtc: fixed potential out-of-bounds access due to an invalid rxstatus-rskeyix parameter. The rxstatus-rskeyix parameter is eventually passed to testbit, so we need to ensure that it is within the allowed range of the bitmap...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: removed two BUG functions from skbchecksumhelp. I have a syzbot report that managed to cause a crash in skbchecksumhelp. If syzbot can trigger these BUGs, it makes sense to replace them with more friendly WARNONONCE function...

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: fs/proc: fixed the softlockup issue in readvmcore part 2. Since the commit 5cbcb62dddf5 fs/proc: fix softlockup in readvmcore, the number of softlockups during readvmcore at the time of kdump has decreased, but they still occur...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: mm: Fix unexpected zeroed page mapping with zram swap In cases where two processes are cloning under CLONEVM, a user process may be corrupted when zeroed pages are unexpectedly displayed. CPU A | CPU B --- | --- doswappage |...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ata: satadwc460ex: Fixed a crash that occurred due to out-of-bounds writing. The driver utilizes the “tag” values from various arrays provided by libata. Since the mentioned patch increased ATATAGINTERNAL to 32, the value of...