Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: dlm: fixed a possible null dereference of lkbresource. This patch addresses a potential null pointer dereference when this function is called from requestlock, since lkb-lkbresource has not yet been assigned. This issue only occu...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: udptunnel: The issue of NULL dereferencing caused by udpsockcreate6 when CONFIGIPV6=n is enabled was fixed. When CONFIGIPV6 is disabled, the udpsockcreate6 function returns 0 success without actually creating a socket. Callers li...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: comedi: niatmio16d: Fixed invalid cleanup after a failed attach operation. If the driver’s COMEDI “attach” handler function atmio16dattach returns an error, the COMEDI core will call the driver’s “detach” handler function...

Astra Linux – Vulnerability in libusb-1.0

Libusb before version 1.0.30 contains a NULL pointer dereference vulnerability that allows attackers to crash applications by supplying a malformed USB configuration descriptor. Such descriptors may claim a bNumEndpoints value greater than zero, followed by a class-specific descriptor whose bLeng...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: nfnetlinkosf: Validated the lengths of individual options in fingerprints. nfnlosfaddcallback validates the bounds of optnum and the NUL-termination of strings. However, it does not check the lengths of individual options. A...

Astra Linux – Vulnerability in Parsec

The vulnerability of the hashinitialize function in the PARSEC security subsystem is related to the assignment of a null pointer. Exploiting this vulnerability allows an attacker to cause a service failure...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs: The code checks contexts-nr before accessing contextsarr0. Multiple sysfs command paths dereference contextsarr0 without first verifying that kdamond-contexts-nr == 1. A user can set nrcontexts to 0 via sysfs whil...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: nfc: fixed the potential NULL pointer dereference in nfcgenldumpsesdone. The done netlink callback nfcgenldumpsesdone should check whether the received argument is non-NULL, because its allocation might fail earlier in dumpit...

Astra Linux – Vulnerability in Linux 5.10, Linux

A flaw was discovered in the Linux kernel. A NULL pointer dereference may occur when the slip driver is in progress to detach at sltxtimeout in drivers/net/slip/slip.c. This issue could allow an attacker to crash the system or leak internal kernel information...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: scsi: scsidebug: Do not call kcalloc if size argument is zero. If the size argument to kcalloc is zero, it returns ZEROSIZEPTR. Therefore, for the subsequent NULL pointer check to work on the returned pointer, kcalloc must not...

Astra Linux – Vulnerability in net-snmp

Net-SNMP provides various tools related to the Simple Network Management Protocol. Prior to version 5.9.2, a user with read-only credentials could use an incorrectly formatted OID in a GET-NEXT command to nsVacmAccessTable, resulting in a NULL pointer dereferencing. Version 5.9.2 includes a patch...

Astra Linux – Vulnerability in Linux 5.10, Linux

A vulnerability has been discovered in the Linux kernel. It has been classified as problematic. The affected function is nilfsbmaplookupatlevel in the file fs/nilfs2/inode.c of the nilfs2 component. Manipulation of this function can lead to a null pointer dereference. The attack can be launched...

Astra Linux – Vulnerability in Linux

A NULL pointer dereference flaw was discovered in the Linux kernel’s GPU Nouveau driver functionality in versions prior to 5.12-rc1. This flaw allows a local user to crash the system. The flaw occurs when the user calls ioctl DRMIOCTLNOUVEAUCHANNELALLOC...

Astra Linux – Vulnerability in Qemu

In QEMU 4.2.0, a MemoryRegionOps object may lack read/write callback methods, which can lead to a NULL pointer dereferencing...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: netsched: Fixed a NULL dereference in fifosetlimit. syzbot reported another NULL dereference in fifosetlimit. 1 I can reproduce the issue with the following commands: unshare -n tc qd add dev lo root handle 1:0 tbf limit 20000...

Astra Linux – Vulnerability in Linux 5.10

A issue was discovered in the Linux kernel through version 5.16-rc6. In the file mtkvcodecfwvpuinit located in drivers/media/platform/mtk-vcodec/mtkvcodecfwvpu.c, there is a lack of check for the return value of devmkzalloc. This could lead to a null pointer dereferencing...

Astra Linux – Vulnerability in Linux 5.10, Linux

A NULL pointer dereference flaw exists in the diFree function in the fs/jfs/inode.c file of the Journaled File System JFS in the Linux kernel. This flaw could allow a local attacker to crash the system or leak internal kernel information...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: IB/hfi1: Fixed an early init panic issue. An early failure in hfi1ipoibsetuprn can lead to the following panic: BUG: Unable to handle a NULL pointer derefrence in the kernel at 00000000000001b0 PGD 0 P4D 0 Oops: 0002 1 SMP NOP...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: Invalid parameter check in dpusetupdspppcc The function performs a check on the “ctx” input parameter, however, it is used before the check. The “base” variable is initialized after the sanity check to avoid a possib...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iommu/arm-smmu-v3: checking the return value after calling platformgetresource. This will cause a null-ptr-deref if platformgetresource returns NULL; therefore, we need to check the return value...