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

In the Linux kernel, the following vulnerability has been resolved: arp: Prevent overflow in arpreqget. Syzkaller reported an overflow during the write operation in arpreqget. 0 When the ioctlSIOCGARP function is called, arpreqget retrieves a neighbor entry and copies neigh-ha to struct...

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

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: oss: Fixed a race condition in SNDCTLDSPSYNC There is a small race condition in the sndpcmosssync function, which is called from OSS PCM SNDCTLDSPSYNC ioctl. Specifically, the function calls sndpcmossmakeready first, a...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: block: Do not revert the iterator for -EIOCBQUEUED. The blkdevreaditer function includes some unusual checks. For example, it gates the position and count adjustment based on whether the result is greater than or equal to zero...

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

In the Linux kernel, the following vulnerability has been resolved: efivarfs: forces RO when remounting if SetVariable is not supported If SetVariable at runtime is not supported by the firmware, we never assign a callback for that function. At the same time, we mount efivarfs as RO so that no on...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: dm thin: Fixed a UAF in runtimersoftirq When dmresume and dmdestroy are executed concurrently, it will lead to a UAF, as follows: Bug: KASAN: Use-after-free in runtimers+0x173/0x710 A 8-byte value is written to the address...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: thermal/drivers/imxscthermal: The refcount leak in imxscthermalprobe has been fixed. The offindnodebyname function returns a node pointer with a refcount incremented. We should use ofnodeput on it after processing. Add ofnodeput ...

Astra Linux – Vulnerability in squashfs-tools

The squashfsopendir function in unsquash-2.c within Squashfs-Tools 4.5 enables Directory Traversal, another vulnerability distinct from CVE-2021-40153. A squashfs filesystem that includes a symbolic link, along with files under the same filename, can cause unsquashfs to first create the symbolic...

Astra Linux – Vulnerability in Linux 5.15

A issue was discovered in the Linux kernel before version 6.2. The ntfs3 subsystem does not properly check for correctness during disk reads, resulting in an out-of-bounds read in the ntfssetea function in fs/ntfs3/xattr.c...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: s390/sclp: Added a check for the return value of getzeroedpage. Also, added a check for the return value of getzeroedpage in sclpconsoleinit to prevent null pointer dereferencing. Furthermore, to address the memory leak caused by...

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: Staging: fbtft: fixed a potential memory leak in fbtftframebufferalloc. In the error paths after the fbinfo structure is successfully allocated, the memory allocated in fbdeferredioinit for info-pagerefs is not freed. This issue...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: A null pointer check should be added for getfirstactivedisplay. The function modhdcphdcp1enableencryption calls the function getfirstactivedisplay, but does not check its return value. The return value is a null...

Astra Linux – Vulnerability in libde265

It was discovered that Libde265 v1.0.11 contains a segmentation violation through the function decodercontext::processSliceSegmentHeader in decctx.cc...

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

In the Linux kernel, the following vulnerability has been resolved: Closures: Change BUGON to WARNON If a BUGON function is actually executed, it shouldn’t be considered a real BUG. For reference, this issue has occurred once during the continuous integration process. We will need more informatio...

Astra Linux – Vulnerability in netcdf

The ezxmlnew function in ezXML 0.8.6 and earlier is vulnerable to OOB write attacks when opening an XML file after exhausting the memory pool...

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

In the Linux kernel, the following vulnerability has been resolved: tomoyo: Fixed the UAF write bug in tomoyowritecontrol. Since tomoyowritecontrol updates head-writebuf when the write function is called for long lines, we need to retrieve head-writebuf after holding head-iosem. Otherwise,...

Astra Linux – Vulnerability in freerdp3, freerdp2

FreeRDP is a free implementation of the Remote Desktop Protocol. The ainputsendinputevent function caches the channelcallback in a local variable and then uses it without synchronization. A concurrent closure of a channel can free or reinitialize the callback, resulting in an use-after-free...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ASoC: mediatek: mt8173-rt5650: Fixed a refcount leak in mt8173rt5650devprobe. The ofparsephandle function returns a node pointer with a refcount incremented. We should use ofnodeput on it when it is no longer needed. Fixed...

Astra Linux – Vulnerability in binutils

It has been discovered that GNU Binutils prior to version 2.40 contains a vulnerability involving excessive memory consumption, caused by the loadseparatedebugfiles function in dwarf2.c. An attacker could provide a crafted ELF file and trigger a DNS attack...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: cxl/port: Hold a reference to the port until the decoder is released. KASAN + DEBUGKOBJECTRELEASE reports a potential use-after-free in cxldecoderrelease. This function references its parent object, a cxlport, to free its id back...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: xtensa: Fixed the refcount leak issue in the time.c file. In calibccount, the offindcompatiblenode function will return a node pointer with the refcount incremented. We should use ofnodeput when this node pointer is no longer...