Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: phy: micrel: Allow probing without .driverdata Currently, if the .probe element is present in the phydriver structure and there is no .driverdata, a NULL pointer dereferencing occurs. By inserting NULL checks for priv-type, ...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Device property: Fixed the node refcount leak in fwnodegraphgetnextendpoint. The “parent” returned by fwnodegraphgetportparent has its refcount incremented when ‘prev’ is not NULL. This variable needs to be set after using it...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: In the tty subsystem, for the ngsm module, a race condition occurred during the modification of the status line of a dead connection. The gsmcleanupmux function cleans up the GSM-related resources by closing all Data Link Control...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: Do not allow CHAINID to refer to another table. When performing lookups for chains within the same batch using their IDs, a chain from a different table can be utilized. If a rule is added to a table but refe...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ftrace: A null pointer dereference occurred in ftraceaddmod. The @ftracemod is allocated using kzalloc. Therefore, both members prev, next of @ftracemode-list are NULL. This makes calling listdel invalid. If kstrdup for...

Astra Linux - Vulnerability in linux-5.10, linux-6.1, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix a race condition in kprobe initialization causing a NULL pointer dereference There is a critical race condition in kprobe initialization that can lead to a NULL pointer dereference and a kernel crash. 1135630.084782...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: pinctrl: devicetree: fixed null pointer dereferencing in pinctrldttomap Here is the BUG report by KASAN regarding null pointer dereferencing: BUG: KASAN: nullptrderef in strcmp+0x2e/0x50 A read of size 1 was performed at address...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: media: ipu3imggu: Fixed a NULL pointer dereferencing issue in active selection access. The IMGu driver handled this by first acquiring the pointers to the active devices, then attempting V4L2 Subdev operations, and only then...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Validates the session ID and tree ID in compound requests. The function smb2getmsg in smb2getksmbdtcon and smb2checkusersession always returns the first command in a compound request’s headers. If SMB2TREECONNECTHE is the...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: f2fs: compress: fixed to avoid a use-after-free condition on dic. Call trace: memcpy+0x128/0x250 f2fsreadmultipages+0x940/0xf7c f2fsmpagereadpages+0x5a8/0x624 f2fsreadahead+0x5c/0x110 pagecacheraunbounded+0x1b8/0x590...

Astra Linux – Vulnerability in Linux, Linux 5.15

When SMT is enabled, certain AMD processors may speculateively execute instructions using a target from the sibling thread after a SMT mode switch, which may potentially lead to information disclosure...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: i2c: Fixed a potential use after free The adap structure should only be freed after we have finished using it. This patch simply moves the putdevice function slightly to avoid the potential issue after freeing the structure. wsa:...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: powerpc/64s: Fixed the use of VAS memory after freeing it. The reference count on the memory module is lowered before the coprocessor is detached...

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

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: Do not return “unset power” in ieee80211gettxpower. We may receive a UBSAN warning if ieee80211gettxpower returns the INTMIN value that mac80211 internally uses for “unset power level”. UBSAN:...

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

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Fixed a potential data race in the PCM memory allocation helpers The PCM memory allocation helpers include a sanity check to prevent too many buffer allocations. However, this check is performed without proper locking,...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: crypto: hisilicon/sec – Fixed memory leak during the release of the sec resource. The AIV is one of the SEC resources. When releasing resources, it is necessary to release the AIV resources at the same time. Otherwise, memory...

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

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fixed the signedness bug in sdmav40processtrapirq The “instance” variable needs to be signed for error handling to work properly...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drivers:md: fix a potential use-after-free bug At line 2884, the statement "raid5releasestripesh;" removes the reference to sh, which may cause sh to be released. However, sh is later used in line 2886, where it appears in the...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: Fix for a hang that occurs during unmount when the block group reclaim task is running. When starting an unmount, at closectree, if the reclaim task is running and is in the middle of a data block group relocation, it i...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: arm64: Set exceptionirqentry with irqentry as a default. filterirqstacks is supposed to remove entries that are related to irq entries from its call stack. And inirqentrytext, which is called by filterirqstacks, uses...