Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: scsi: qla2xxx: Fixed an issue where free sp in the error path could cause system crashes. System crashes were observed during load/unload tests in a loop. 61110.449331 qla2xxx 0000:27:00.0-0042:0: MSI-X disabled. 61110.467494...

Astra Linux – Vulnerability in freerdp3, freerdp2

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, a client-side heap buffer overflow occurred in the gdiSurfaceToSurface path of the FreeRDP client due to a mismatch between destination rectangle clamping and the actual copy size. A malicious server can...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: NFSD: fixed a race condition between nfsd registration and exportsproc Currently, nfsd calls createprocexportsentry at the beginning of initnfsd, and cleanup is performed by removeprocentry at the end of exitnfsd. This can lea...

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: net: sxgbe: fixed the potential NULL dereference in sxgberx. Currently, when skb is null, the driver prints an error and then dereferences skb on the next line. To fix this, we need to add a ‘break’ after the error message, so th...

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

In the Linux kernel, the following vulnerability has been resolved: “mm/writeback: fix possible divide-by-zero in wbdirtylimits, again” This issue was addressed by reverting to the previous behavior. The patch series “mm: Avoid possible overflows in dirty throttling” also addresses this issue. Th...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: clk: mediatek – Performing a runtime PM get operation on controllers during probing. The mt8183-mfgcfg component has a mutual dependency with genpd during the probing stage, which leads to a deadlock in the following call stack:...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: video: fbdev: arkfb: Fixed a divide-by-zero bug in arksetpixclock Since the user can control the arguments of the ioctl function from the user space, there are special cases where a divide-by-zero bug may occur. For example, in:...

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

In the Linux kernel, the following vulnerabilities have been resolved: PCI/DPC: Fixed a use-after-free issue when a DPC event occurs concurrently with hot-removal of the same portion of the hierarchy. Keith reported a use-after-free when a DPC event occurred concurrently with the hot-removal of t...

Astra Linux - Vulnerability in Golang-1.19

The go command may generate unexpected code during build time when using cgo. This can lead to unexpected behavior when running a Go program that uses cgo. This issue may occur when running a trusted module that contains directories with newline characters in their names. Modules retrieved using...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: staticcall: Proper handling of module initialization failures is implemented in staticcalldelmodule. Module insertion calls staticcalladdmodule to initialize the static calls within a module. staticcalladdmodule calls...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mac80211: Only QoS data frames are tracked for admission control. For admission control, it clearly only applies to QoS data frames. Otherwise, we wouldn’t even be able to access the QoS field in the header. Syzbot reported an...

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: pfifotailenqueue: Drop a new packet when sch-limit == 0. Expected behavior: If the scheduler’s limit is reached, pfifotailenqueue will drop a packet from the scheduler’s queue and decrease the scheduler’s qlen by one. Then, it wi...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: RDMA/siw: Fixed an issue where free was called after the memory was allocated. Our code analyzer reported a Use-after-Free UAF vulnerability. In the function siwallocmr, it calls siwmraddmemmr,.... In the implementation of...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ALSA: emu10k1: Fixed an out-of-bounds access in sndemu10k1pcmchannelalloc The voice allocator sometimes begins allocating from near the end of the array, and then wraps around. However, sndemu10k1pcmchannelalloc accesses the newl...

Astra Linux – Vulnerability in Vim

Vim is a revised version of the Unix vi text editor. When flushing the typeahead buffer, Vim moves the current position within the typeahead buffer, but it does not check whether there is enough space left in the buffer to handle the next characters. This can cause the off position within the...

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

In the Linux kernel, the following vulnerabilities have been resolved: jfs: xattr: fixed buffer overflow for invalid xattr values. When the xattr size is not as expected, it is printed out to the kernel log in hexadecimal format as a form of debugging. However, when that xattr size is larger than...

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

In the Linux kernel, the following vulnerability has been resolved: kcm: Fixed a memory leak in the error path of kcmsendmsg. The syzbot reported a memory leak as follows: BUG: Memory leak Unreferenced object 0xffff88810b088c00 size 240: Comm “syz-executor186”, pid 5012, jiffies 4294943306 age...

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: net: The TOCTOU issue in skisreadable has been fixed. sk-skprot-sockisreadable is a valid function pointer when sk resides in a sockmap. After the last skpsockput call which usually occurs when a socket is removed from the sockma...

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: ocfs2: The uncached inode fails to enter the group. Syzbot has reported the following BUG: Kernel BUG at fs/ocfs2/uptodate.c:509! … Call Trace: ? diebody+0x5f/0xb0 ? die+0x9e/0xc0 ? dotrap+0x15a/0x3a0 ?...

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: The error related to directory read operations from nilfsfindentry is now propagated to the calling functions. Syzbot reported that a task hang occurred in vcsopen during a fuzzing test for nilfs2. The root cause of this...