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 found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: USB: Gadget: Core: Prevent panic during UVC unconfiguration Avichal Rakesh reported a kernel panic that occurred when the UVC gadget driver was removed from a gadget’s configuration. The panic involves a somewhat complex...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: RISCV: kprobe: Fixed kernel panic when probing an illegal position The kernel would panic when trying to probe an illegal position. For example: CONFIGRISCVISAC=n Example code: bash echo 'p:hello kernelclone+0x16 a0=%a0'...

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 – 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: 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 in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ionic: catch failure from devlinkalloc A check for NULL has been added to the return value of devlinkalloc. If devlinkalloc fails and we attempt to use devlinkpriv on a NULL return value, the kernel will become very upset and...

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 in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: sfc: fixed a kernel panic that occurred when creating VFs. When creating VFs, a kernel panic can occur when calling efxef10tryupdatenicstatsvf. When releasing a DMA coherent buffer, under certain circumstances, it is necessary to...

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 in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net: qrtr: The MHI channel should start after the endpoint creation. The MHI channel may generate an event/interrupt immediately after enabling. This can lead to two race condition issues. 1. Such events may be dropped by the...

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 in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ionic: Fix kernel panic in XDPTX action In the XDPTX path, the ionic driver sends a packet to the TX path along with the rx page and the corresponding DMA address. After the TX operation is completed, the ionictxclean function...

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, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: usb: xhci: Check that the endpoint is valid before dereferencing it. When the host controller is not responding, all URBs queued to all endpoints need to be terminated. This can cause a kernel panic if we attempt to dereference a...

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 in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: media: imx-jpeg: Disabled the unnecessary interrupt to avoid kernel panic. There is a hardware bug where the interrupt STMBUFHALF may be triggered after or when the interrupt is disabled. This may lead to unexpected kernel panic...

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

In the Linux kernel, the following vulnerability has been resolved: perf/x86/lbr: Filtering vsyscall addresses We found that a panic can occur when a vsyscall is executed while LBR sampling is active. If the vsyscall is interrupted via NMI for perf sampling purposes, the following call sequence m...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: vdpasimblk: The number of address spaces and virtqueue groups were set. The commit bda324fd037a “vdpasim: control virtqueue support” added two new fields nas, ngroups to vdpasimdevattr, but we forgot to initialize them for...