Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fbdev: fbcon: Release the buffer when fbcondosetfont fails. syzbot is reporting a memory leak at fbcondosetfont, for the commit a5a923038d70 “fbdev: fbcon: Properly revert changes when vcresize fails”. It was overlooked that the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: mt76: mt7996 – fixed a potential memory leak when reading chip temperature. Without this fix, reading chip temperature would cause memory leaks...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: f2fs: fixed a NULL pointer derefrence in f2fssubmitpagewrite BUG: NULL pointer derefrence in the kernel; address: 0000000000000014 RIP: 0010:f2fssubmitpagewrite+0x6cf/0x780 f2fs Call Trace: ? show regs+0x6e/0x80 ? die+0x29/0x70 ?...

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 – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mptcp: handle large GSO sizes After the committed code below, TCP sockets and MPTCP subflows can generate egress packets that are larger than 64K. This exceeds the maximum DSS data size; the packet length is misrepresented over t...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

A null pointer dereference vulnerability was discovered in the nftdynsetinit function in net/netfilter/nftdynset.c within nftables in the Linux kernel. This issue may allow a local attacker with the CAPNETADMIN user privilege to trigger a denial of service attack...

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: KVM: x86 – Mark the target gfn of the emulated atomic instruction as dirty When emulating an atomic access on behalf of the guest, mark the target gfn as dirty if the CMPXCHG instruction attempts to be executed and fails without ...

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: netfilter: nftables: The commit mutex should not be released during the critical section between nftgcseqBegin and nftgcseqEnd. Otherwise, the async GC worker could collect expired objects and obtain the released commit lock with...

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: qla2xxx: A mistake of “one” was corrected in qlaedifappgetstats. The appreply-elem array is allocated earlier in this function, and it contains appreq.numports elements. Therefore, the comparison operator needs to be change...

Astra Linux – Vulnerability in Linux, Linux 5.15

The memory allocation function ACPIALLOCATEZEROED does not guarantee a successful allocation. However, the subsequent code directly dereferences the pointer that receives the allocated memory, which may lead to a null pointer dereference. To address this issue, a null pointer check should be adde...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: In the context of tlsswrecvmsg, we take a reference to psock after locking it with rxlock, in order to avoid a leak. However, if this operation fails, we return directly without releasing the reference. Instead of creating a new...

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: exfat: fixed a potential deadlock in exfatgetdentryset When accessing a file with more entries than ESMAXENTRYNUM, the bh-array is allocated in exfatgetdentryset. The problem is that the bh-array is allocated using GFPKERNEL. Thi...

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: md/raid10: preventing soft lockup during flush writes Currently, there is no limit for plugged bio in raid1/raid10. While performing flush writes, raid1 uses condresched, whereas raid10 does not. Too many writes can cause a soft...

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: Bluetooth: Fixed a memory leak in hcireqsyncComplete In the function hcireqsyncComplete, always free the previous sync request state before assigning a reference to a new one...

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: Bluetooth: btintel: Fixed a null pointer dereference in btintelreadversion. If hcicmdsyncComplete is triggered and skb is NULL, then hdev-reqskb will also be NULL, which will cause this issue...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Staging: greybus: audiohelper: Remove unused and incorrect usage of debugfs. In the greybus audiohelper code, the debugfs file related to dapm has the potential to be removed, and memory may be leaked. There is also a high...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: NFSD: prevented underflow in nfssvcdecodewriteargs Smatch reported the issue as follows: fs/nfsd/nfsxdr.c:341 nfssvcDecodeWriteArgs Warning: no lower bound on ‘args-len’ The type of the variable has been changed to unsigned to...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Wifi: ath12k – Fixed issues with dfs-radar and temperature event locking. The ath12k active PDevs are protected by RCU, but the code responsible for handling DFS-radar and temperature events, which calls ath12kmacgetarbypdevid...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: rcv: Fixed a kernel crash caused by PRSETTAGGEDADDRCTRL. When the user space performs PRSETTAGGEDADDRCTRL, but the Supm extension is not available, the kernel crashes: Oops – illegal instruction 1 snip epc:...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ubifs: A memory leak has been fixed in the dorename function. When renaming a file in an encrypted directory, the function fscryptsetupfilename allocates memory for a file name. This name is never used, and before returning to th...