Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iouring/msgring: A NULL pointer dereference occurred in iomsgsendfd. Syzkaller produced the following call trace: BUG: KASAN: NULL pointer dereference in iomsgring+0x3cb/0x9f0 A value of 8 was written to address 0000000000000070 ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7921: fixed the kernel panic by avoiding access to unallocated eeprom.data The MT7921 driver no longer uses eeprom.data, but the relevant code has not been completely removed since the commit 16d98b548365 “mt76: mt7921:...

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

In the Linux kernel, the following vulnerabilities have been resolved: octeontx2-af: Added validation before accessing cgx and lmac. With the addition of new MAC blocks such as CN10K RPM and CN10KB RPMUSX, LMACs are noncontiguous, and CGX blocks are also noncontiguous. However, during the RVU...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: dmaengine: qcom-adm: fix wrong sizeof config in slaveconfig The issue involved a corrupted slaveconfig function that incorrectly compared peripheralsize with the size of the config pointer, rather than the size of the config...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: blk-mq: Fixed the issue where blkmqtags double-freeed memory when nrrequests increased. In cases where user-triggered tags increase due to the nrrequests value in the queue sysfs attributes, hctx-schedtags will be directly freed...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm/msm/adreno: Fixed null pointer access in adrenogpucleanup Fixed the kernel panic caused by null pointer access: 18.504431 Unable to handle kernel NULL pointer dereference at virtual address 0000000000000048 18.513464 Mem...

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: igc: Fixed kernel panic during ndotxtimeout callback The Xeon validation group has conducted some load tests with various hardware configurations. They observed that transmit queue timeouts occurred during these tests. This cause...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: f2fs: Fix to correctly check the readonly condition. In the following case, it is possible to mount a multi-device image with the rw option. However, if one of the secondary devices is set as ro, subsequent updates will cause a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: idpf: A kernel panic occurs when dealing with unknown packet types. In the very rare case where a packet type is unknown to the driver, idpfrxprocessskbfields will return early without calling ethtypetrans to set the skb protocol...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: cgroup: The cgroupgetfromid function must check that the looked-up key is a directory. The cgroup object must be a kernfs directory; otherwise, a kernel panic will occur, especially when the cgroup ID is provided from the user...

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: btrfs: fixed the BUGON condition in btrfscancelbalance. Pausing and canceling balance can race to interrupt balance, leading to a BUGON panic in btrfscancelbalance. The BUGON condition in btrfscancelbalance does not take this rac...

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: sh: dma: Fixed the calculation of DMA channel offsets Various SoCs from the SH3, SH4, and SH4A family that use this driver feature differ in the number of DMA channels, which can be distributed among up to two DMAC modules. Th...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7921: Do not assume adequate headroom for SDIO headers The function mt7921usbsdiotxprepareskb calls mt7921usbsdiowritetxwi and mt7921skbaddusbsdiohdr. Both functions blindly assume that adequate headroom will be available...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ARM: dts: exynos: Use Exynos5420 compatible for the MIPI video phy. For some reason, the driver that added support for the Exynos5420 MIPI phy back in 2016 was not applied to the Exynos5420 device, resulting in a kernel panic...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btusb: mediatek – Add an interface release flow when USB is disconnected. MediaTek claims that there is a special USB interface for ISO data transmission. This interface must be released before unregistering an HCI...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ASoC: soc-compress: Repositioned and added pcmmutex. If paniconwarn is set and the compress stream DPCM is initiated, then a kernel panic occurs because card-pcmmutex is not properly locked. In the following functions, a warni...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: btrfs: Do not drop the extentmap for free space inode on a write error While running the CI for an unrelated change, I encountered the following panic: with generic/648 on btrfsholesspacecache. Assertion failed: blockstart !=...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: amd-xgbe: Fixed an issue where the data length of the skb structure was underflowed. A BUGON will be triggered in include/linux/skbuff.h, resulting in intermittent kernel panics when a length underflow is detected. This issu...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/hwpoison: Clearing MFCOUNTINCREASED before retrying getanypage Hulk Robot reported a panic in putpagetestzero when testing madvice with MADVSOFTOFFLINE. The bug is triggered when retrying getanypage. This occurs because the...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: media: s5p-mfc: Clearing workbit to handle error conditions During an error with the CLOSEINSTANCE command, ctxworkbits wasn’t cleared. Subsequent execution of mfc led to a NULL pointer dereferencing of this context, resulting in...