Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: i915/perf: Fixed NULL dereference bugs with drmdbg calls When the i915 perf interface is not available, dereferencing it will result in NULL references. Returning -ENOTSUPP is quite clear; a return value should be returned when t...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: spi: Fix for null dereference during suspension There exists a race condition where a synchronous noqueue transfer can remain active during system suspension. This can lead to a null pointer dereference exception when the system...

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 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: SUNRPC: Fixed the svcdeferredevent trace class. Fixed a NULL dereference crash that occurs when an svcrqst is deferred, while the sunrpc tracing subsystem is enabled. svcrevisit sets dr-xprt to NULL, so it cannot be relied upon i...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bonding: fix NULL deref in bondrrgenslaveid Fix a NULL dereference of the struct bonding.rrtxcounter member because if a bond is initially created with an initial mode != zero Round Robin the memory required for the counter is...

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

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: A NULL dereference in niwriteinode has been fixed. Syzbot reported a NULL dereference in niwrite inode. When creating a new inode, if the allocation fails in the miinit function called in the miformatnew function, mi-mr...

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, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ALSA: gus: fixed the issue of null pointer dereferencing on the pointer block. The pointer block returns from sndgf1dmanextblock, and it may be null. Therefore, there is a potential issue of null pointer dereferencing. This issue...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: net: arcnet: com20020: Fixed nullptrderef in com20020pciprobe During driver initialization, the pointer to card info is required—specifically, the variable ‘ci’. However, the definition of ‘com20020pciidtable’ indicates that this...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: drm/msm/mdp5: The return error code in mdp5piperelease occurs when a deadlock is detected. mdp5getglobalstate runs the risk of encountering an -EDEADLK error when acquiring the modeset lock. Currently, mdp5piperelease does not...

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

In the Linux kernel, the following vulnerability has been resolved: USB: Hub – Protection against access to uninitialized BOS descriptors Many functions in drivers/usb/core/hub.c and drivers/usb/core/hub.h access fields within udev-bos without checking whether they have been allocated and...

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: 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 found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ICMP: Prevent possible NULL dereferencing from icmpbuildprobe. The first issue involves a double call to indevgetrcu; the second call might return NULL. if indevgetrcudev && indevgetrcudev-ifalist The second issue involves...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: gsmi: fixed a null dereference in gsmigetvariable. We can access EFI variables without retrieving the attributes; therefore, we must allow this behavior in gsmi. The commit 859748255b43 “efi: pstore: Omit efivars caching EFI...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: scsi: mpt3sas: A kernel panic occurred during the drive powercycle test. While iterating through Shost’s sdev list, it is possible that one of the drives is being removed, and its sastarget object is freed, but its sdev object...

Astra Linux – Vulnerability in Linux, Linux 5.10

In gcdatasegment within fs/f2fs/gc.c in the Linux kernel, before version 5.16.3, special files were not considered, resulting in a NULL pointer to movedatapage...