Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: netfilter: brnetfilter: do not check the confirmed bit in brnflocalin after confirmation. When sending a broadcast packet to a tap device, which is added to a bridge, the brnflocalin function is called to confirm the conntrack. I...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: lib: cpurmap: Avoid using the function after freeing entries in the rmap-obj array. When calling irqsetaffinitynotifier with NULL as the notify argument, it will cause the glue pointer in the corresponding array entry to be freed...

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

In the Linux kernel, the following vulnerability has been resolved: fs: jfs: Fixed UBSAN: array-index-out-of-bounds in dbAllocDmapLev Syzkaller reported the following issue: UBSAN: array-index-out-of-bounds in fs/jfs/jfsdmap.c:1965:6 Index -84 is out of range for type ‘s8341’ aka ‘signed char341’...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ARC: mm: fix leakage of memory allocated for PTE Since the commit d9820ff “ARC: mm: switch pgtablet back to struct page ”, a memory leakage problem occurred. Memory allocated for page table entries wasn’t released during process...

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

In the Linux kernel, the following vulnerability has been resolved: powerpc/rtasflash: Allow user copy to flash block cache objects With hardened usercopy enabled CONFIGHARDENEDUSERCOPY=y, using the /proc/powerpc/rtas/firmwareupdate interface to prepare a system firmware update results in a BUG: ...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ACPICA: Fixed a use-after-free in acpiutcopyipackagetoipackage. There is a use-after-free reported by KASAN: BUG: KASAN: use-after-free in acpiutremovereference+0x3b/0x82 Reading of size 1 at addr ffff888112afc460 by task...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/rockchip: lvds: fix PM usage counter unbalance in poweron The pmruntimegetsync function will increment the PM usage counter even if it fails. Forgetting to replace this function with the newer pmruntimeresumeandget function...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ext4: Improved error handling for ext4dirhash The ext4dirhash function almost never fails, especially since the “hash tree” feature was first introduced. However, with the addition of support for encrypted, case-folded file names...

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: media: b2c2: Fix for a use-after-free caused by irqcheckwork in flexcoppciremove. The original code uses canceldelayedwork in flexcoppci Remove, which does not guarantee that the delayed irqcheckwork has fully completed if it is...

Astra Linux – Vulnerability in binutils

A vulnerability has been discovered in GNU Binutils 2.45. The affected element is the function elfswapshdr in the bfd/elfcode.h library of the Linker component. Manipulation of this function leads to a heap-based buffer overflow. This attack must be carried out locally. The exploit has been...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: cpufreq: The completion function is called before kobjectinitandadd. In cpufreqpolicyalloc, the uninitialized completion function is called in cpufreqsysfsrelease when kobjectinitandadd fails. This will cause a crash, such as a...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: octeontx2-pf: Fixed use-after-free bugs in otx2synctstamp. The original code relies on canceldelayedwork in otx2ptpDestroy, which does not ensure that the delayed work item synctstampwork has fully completed if it was already...

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: rfkill: gpio: Fixed a crash that occurred due to dereferencing an uninitialized pointer. Since commit 7d5e9737efda “net: rfkill: gpio: getting the name and type from device property”, the function rfkillfindtype is called wi...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: f2fs: A fix was made to avoid a use-after-free condition related to cached IPU bio. The xfstest generic/019 report a bug: Kernel BUG: At mm/filemap.c:1619! RIP: 0010: folioendwriteback+0x8a/0x90 Call Trace:...

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: The mcbausb driver fails to populate the ndochangemtu function, allowing for a buffer overflow. Sending a PFPACKET message allows bypassing the CAN driver’s logic and directly reaching the xmit function of the CAN driver. The onl...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mtd: lpddr2nvm: Fixed a possible null-ptr-deref issue. This issue could lead to a null-ptr-deref when the resourcesizeaddrange function is called, if the platformgetresource function returns NULL...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Drivers: Base: Resources are freed when a device is unregistered. In the current code, the devresreleaseall function is only called if the device has a bus and has been probed. This leads to issues when using devices that lack a...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: mac80211 – Increase scanieslen for S1G. Currently, the S1G capability element is not taken into consideration when calculating scanieslen, which leads to a buffer length validation failure in the ieee80211prephwscan functio...

Astra Linux – Vulnerability in imagemagick

ImageMagick is free and open-source software used for editing and manipulating digital images. Before versions 7.1.2-15 and 6.9.13-40, when a PCD file did not contain a valid Sync marker, the DecodeImage function would get stuck in an infinite loop while searching for the Sync marker. This caused...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: romfs: Check the return value of sbsetblocksize. The romfsfillsuper function ignores the return value of sbsetblocksize, which may fail if the requested block size is incompatible with the block device’s configuration. This issue...