Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Staging: GPIB – Fixed an Oops after disconnection in agilent USB. If the agilent USB dongle is disconnected, subsequent calls to the driver will cause a NULL dereference Oops, as the businterface is set to NULL upon disconnection...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ipv6: ioam: fixed potential NULL dereferencing in ioam6fillTraceData. We need to check in6devget for a possible NULL value, as suggested by Yiming Qian. Also, add skbdstdevrcu instead of skbdstdev, and two missing READONCE calls...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Fixed KMS with 3D support in the HW version 10. The HW version 10 does not have GB Surfaces, so there is no backing buffer for surface-backed FBs. This could lead to a nullptr dereference, causing the driver to crash...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Staging: GPIB – Fixed an Oops after disconnection in niusb. If the USB dongle is disconnected, subsequent calls to the driver will cause a NULL dereference Oops, as the businterface is set to NULL upon disconnection. This issue w...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Revert “usb: typec: ucsi: add a common function ucsiunregisterconnectors”. The recent commit 87d0e2f41b8c “usb: typec: ucsi: add a common function ucsiunregisterconnectors” introduced a regression that caused NULL dereferencing...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: nfsd: fixed the NULL dereference in nfs3svcencodegetaclres In error cases, the dentry may be NULL. Before 20798dfe249a, the encoder also checked dentry and dreallyispositivedentry, but I think that was unnecessary—a zero status...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: media: chips-media: wave5: Fixed a null reference during testing of fluster. When multiple instances are created or destroyed, many interrupts occur, and structures related to the decoder are removed. The struct vpuinstance...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: “Revert ‘drm/gem-framebuffer: Use dmabuf from GEM object instance’” This reversion is covered in the commit cce16fcd7446dcff7480cd9d2b6417075ed81065. The dmabuf field in the struct drmgemobject is not stable throughout the lifeti...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Regulator: da9063 – A better fix for null dereferencing with partial DT. Two versions of the original patch were sent, but Version 1 was merged instead of Version 2 due to a mistake. Therefore, update to Version 2. The advantage ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mfd: macsmc: Initialize mutex The mutex of the struct applesmc is initialized in the applesmcprobe function. Surprisingly, using the uninitialized mutex only resulted in occasional NULL pointer dereferences in calls to applesmcre...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ALSA: usx2y: us144mkii: fixed NULL dereferencing when interface 0 is missing. A malicious USB device with the TASCAM US-144MKII device ID may have a configuration where bInterfaceNumber=1, but there is no interface 0. USB...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm: zswap: fixed a NULL crash in the shrinker function when cgroupdisable=memory is set. Christian reported a NULL dereference in zswap; he was able to trace the issue back to the zswap shrinker function. This issue also appeared...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: rvdso: In the vdsojointimens function, a NULL reference was corrected when using vfork. The testing results are as follows in the kernel log: 6.838454 Unable to handle kernel access to user memory without uaccess routines at...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ceph: Always call cephShiftUnusedFoliosLeft The function cephProcessFolioBatch sets the folioBatch entries to NULL, which is an illegal state. Before folioBatchRelease crashes due to this API violation, the function...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net: Prevent a NULL dereference in rtnlcreatelink. When rtnlcreatelink is running, dev-netdevops is NULL. We must not use netdevlockops, as it may lead to a NULL dereference if CONFIGNETSHAPER is defined. Instead, use...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ext4: Do not allow journal inode to have the encrypt flag Mounting a filesystem whose journal inode has the encrypt flag causes a NULL dereference in fscryptlimitioblocks when the ‘inlinecrypt’ mount option is used. The problem i...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ASoC: DPCM: Do not pick up BE without a substream When DPCM attempts to establish valid BE connections using dpcmaddpaths, it does not check whether the selected BE actually supports the given stream direction. As a result, when ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/omap: fixed the NULL but dereferenced coccicheck error. Fixed the following coccicheck warning: ./drivers/gpu/drm/omapdrm/omapoverlay.c:89:22-25: ERROR: rovl is NULL, but it was dereferenced. The correct value should be ovl-i...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: Fixed issues with use-after-free and NULL dereferencing in smbgrantoplock. smbgrantoplock has two issues in the oplock publication sequence: 1 opinfo is linked into ci-moplist via opinfoadd before addleasegloballist is...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ACPI: Processor – Check for a null return value from devmkzalloc in fchmiscsetup The devmkzalloc function may fail, and clkdata-name may be NULL. This could lead to a NULL pointer dereferencing later. rjw: Subject and changelog...