Astra Linux – Vulnerability in Linux

The vgacon subsystem in the Linux kernel before version 5.8.10 mishandles software scrollback operations. There is an out-of-bounds read in vgaconscrolldelta, also known as CID-973c096f6a85...

Astra Linux – Vulnerability in Linux, Linux 5.10

A use-after-free flaw was discovered in the Linux kernel’s sound subsystem. This flaw occurs when a user triggers concurrent calls to the PCM hwparams function. The hwfree ioctls or similar race conditions occur within ALSA PCM for other ioctls. This flaw allows a local user to crash the system o...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Integrity: Fixed memory leakage in the keyring allocation error path. Keys are allocated in the integrityinitkeyring function. However, if the keyring allocation fails, the allocated keys are not freed, resulting in memory lea...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: Added a missing lock in cfg80211checkandendcac. Callers of wdevchandef must hold the wiphy mutex. However, the worker function cfg80211propagatecacdonewk never holds the wiphy mutex. This triggers the following...

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 Parsec

The vulnerability of the macid utility in the PARSEC security subsystem is related to improper memory release after its use. Exploiting this vulnerability allows an attacker to cause a service failure...

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

In the Linux kernel, the following vulnerability has been resolved: scsi: scsidhalua: Fixed a memory leak related to ‘qdata’ in aluactivate. If alurtpgqueue fails during aluactivate, ‘qdata’ is not freed, resulting in the following memory leak: Unreferenced object: 0xffff88810b2c6980 size 32...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: md: Fixed a deadlock between mddevsuspend and flushbio. A deadlock occurs when mddev is suspended while some of the flushbio operations are still in progress. This is a complex issue. T1: The first flush occurs at the end of t...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ubi: ubicreatevolume: Fixed a use-after-free issue when volume creation failed. There is a use-after-free problem related to ‘ebatbl’ in the error handling path of ubicreatevolume. c ubiebareplacetablevol, ebatbl vol-ebatbl = tbl...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: jffs2: fixed a use-after-free in jffs2clearxattrsubsystem When we mount a jffs2 image, it is assumed that the first few blocks of the image are normal and contain at least one xattr-related inode. However, the next block is...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ASoC: core: Check for rtd == NULL in sndsocremovepcmruntime The function sndsocremovepcmruntime might be called with rtd == NULL, which will lead to a null pointer derefrence. This issue was reproduced when topology loading was...

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

A race condition flaw was discovered in the Linux kernel sound subsystem due to improper locking mechanisms. This could lead to a NULL pointer derefrence during the handling of the SNDCTLDSPSYNC ioctl command. A privileged local user such as root or a member of the audio group could exploit this...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dsi: Invalid parameter check in msmdsiPhyEnable The function performs a check on the “phy” input parameter, however, it is used before the check. The “dev” variable is initialized after the sanity check to avoid a possibl...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: iptables: Fixed a potential null-ptr-deref in ip6tablenattableinit. ip6tablenattableinit accesses net-gen-ptrip6tablenatnetops.id, but this function is exposed to user space before the entry is allocated via...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ima: Avoid blocking in the RCU read-side critical section. A panic occurs in imamatchpolicy: BUG: Unable to handle a NULL pointer dereferencing in the kernel at 0000000000000010. PGD 42f873067 P4D 0 Oops: 0000 1 SMP NOPTI CPU:...

Astra Linux – Vulnerability in Linux, Linux 5.10

The FireWire subsystem in the Linux kernel up to version 5.14.13 has a buffer overflow issue related to the drivers/media/FireWire/firedtv-avc.c and drivers/media/FireWire/firedtv-ci.c files. This issue arises due to improper handling of bounds checking by the avccapmt function...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisysfs: Fixed an issue where the function deviceadd was called multiple times. The function deviceadd should not be called multiple times, as stated in its documentation: “Do not call this routine or deviceregister...

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

In the Linux kernel, the following vulnerability has been resolved: scsi: snic: Fixed a possible memory leak if deviceadd fails. If deviceadd returns an error, the name allocated by devsetname needs to be freed. As noted in the comments for deviceadd, putdevice should be used to release the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: jbd2: removed the incorrect sb-ssequence check. The emptiness of the journal is determined not by sb-ssequence == 0, but rather by sb-sstart == 0 which is set a few lines above. Moreover, 0 is a valid transaction ID, so this chec...

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

In the Linux kernel, the following vulnerability has been resolved: net: rds: Fixed a possible NULL pointer dereferencing issue. In the rdsrdmacmeventhandlercmn function, if the conn pointer exists before dereferencing it as an argument for rdmasetservicetype, a problem was identified. This issue...