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: 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 ffmpeg

A flaw was discovered in FFmpeg’s HLS playlist parsing. This vulnerability allows for a denial of service through a maliciously crafted HLS playlist, which triggers a null pointer dereference during initialization...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: usb: typec: tcpm: A NULL pointer dereference has been fixed in tcpmpdsvdm. It is possible that typecregisterpartner returns ERRPTR upon failure. When port-partner is an error, a NULL pointer dereference may occur, as shown below:...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: pstore/ram: Added a check for kstrdup. Added a check on the return value of kstrdup, and return an error if it fails, in order to avoid NULL pointer dereferencing...

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

Transmitted requests in Xen’s virtual network protocol can consist of multiple parts. Although none of them are actually useful, except for the initial part, any of these parts can be of zero length, meaning they carry no data at all. Apart from the certain initial portion of the data to be...

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...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Staging: rtl8723bs – fixed a null dereference in the findnetwork function. The variable pwlan may become NULL when passed to rtwfreenetworknolock, which could lead to a dereference of the variable later on...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: Fixed memory leaks and NULL dereferencing in smb2lock. smb2lock has three error handling issues after listdel detaches smb Lock from locklist at nocheckcl: 1 If vfslockfile returns an unexpected error in the non-UNLOCK...

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 6.1

In the Linux kernel, the following vulnerability has been resolved: powerpc/smp: Added a check for a failure in kcalloc in parsethreadgroups. Since kcalloc may fail, it is necessary to check its return value to prevent a NULL pointer derefrence when passing it to ofpropertyreadu32array...

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

In the Linux kernel, the following vulnerability has been resolved: media: coda: A check for kmalloc has been added. Since kmalloc may return a NULL pointer, it is better to check the return value to avoid dereferencing a NULL pointer, just like with the other cases...

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 – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/sctp: A null dereference in the sctpdisposition sctpsfdo51Dce function has been fixed. If newasoc-peer.adaptationind=0, sctpulpeventmakeauthkey=0, and sctpulpeventmakeauthkey returns 0, then the variable aiev remains zero, an...

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...