Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: phy: micrel: Allow probing without .driverdata Currently, if the .probe element is present in the phydriver structure and there is no .driverdata, a NULL pointer dereferencing occurs. By inserting NULL checks for priv-type, ...

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: Ethernet: lantiqetop: fixed a double-free condition in the “detach” operation. The number of descriptors that have been released so far is never incremented, which results in the same skb being released multiple times...

Astra Linux – Vulnerability in Linux 5.10

A issue was discovered in the Linux kernel 5.10.x before 5.10.155. A use-after-free in the iosqpollwaitsq function in fs/iouring.c allows an attacker to crash the kernel, resulting in a denial of service. The finishwait function can be bypassed. An attack can occur in some situations by forkning ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: usb: asixdevices: The PHY address mask in MDIO bus initialization was corrected. Syzbot reported a shift-out-of-bounds exception during MDIO bus initialization. The PHY address should be masked to 5 bits 0-31. Without this...

Astra Linux – Vulnerability in Mariadb 10.3

It has been discovered that MariaDB Server v10.6.3 and earlier contain a use-after-free in the VDec::VDec component at /sql/sqltype.cc...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: bpftool: A NULL pointer derefrence issue occurs when pinning PROG, MAP, LINK without FILE. When using bpftool to pin PROG, MAP, LINK without FILE, a segmentation fault will occur. The reason is that the absence of FILE causes...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: qede: ensure that the skb is allocated before use. qedebuildskb assumes that buildskb always works and proceeds directly to skbreserve. However, buildskb may fail under memory pressure. This results in a kernel panic because the...

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

In the Linux kernel, the following vulnerability has been resolved: tun: limit printing rate when illegal packet received by tun dev vhostworker will call tun call backs to receive packets. If too many illegal packets arrives, tundoread will keep dumping packet contents. When console is enabled, ...

Astra Linux - Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Input: appletouch - initialize work before device registration Syzbot reported a warning in flushwork. This warning is caused by work-func == NULL, which indicates that work initialization is missing. This can occur because...

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

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: Do not abort the filesystem when attempting to take a snapshot of a deleted subvolume. If the source file descriptor for the snapshot ioctl refers to a deleted subvolume, the following abort occurs: BTRFS: Transaction...

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

A race condition was detected in the Linux kernel’s DRM/Exynos device driver, specifically in the exynosdrmcrtcatomicdisable function. This can lead to a null pointer dereferencing issue, which may potentially cause a kernel panic or a denial of service condition...

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: Bluetooth: Fixed a potential use-after-free when using clear keys. Similar to the commit c5d2b6fa26b5 "Bluetooth: Fixed a use-after-free in hciremoveltk/hciremoveirk". We cannot access k after the kfreercu call...

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

A issue was discovered in the Linux kernel through version 6.0.9. In the file drivers/media/dvb-core/dvbnet.c, there is a race condition between .disconnect and dvbdeviceopen, which leads to a use-after-free situation...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: fs/ntfs3: Fixed a NULL pointer dereference in ‘niwrite inode’. Syzbot identified the following issue: Unable to handle a NULL pointer dereference at the virtual address 0000000000000016. Memory abort information: ESR =...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Device property: Fixed the node refcount leak in fwnodegraphgetnextendpoint. The “parent” returned by fwnodegraphgetportparent has its refcount incremented when ‘prev’ is not NULL. This variable needs to be set after using it...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm/damon/reclaim: A divide-by-zero error can occur in damonreclaimapplyparameters. When creating a new scheme for DAMONRECLAIM, the calculation of ‘minageregion’ uses ‘aggrinterval’ as the divisor, which may lead to a...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: PCI: dwc – Deallocation of EPC memory during dwpcieepinit failures If dwpcieepinit fails to perform any actions after the EPC memory is initialized and the MSI memory region is allocated, the latter parts will not be...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: Do not allow CHAINID to refer to another table. When performing lookups for chains within the same batch using their IDs, a chain from a different table can be utilized. If a rule is added to a table but refe...

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

In the Linux kernel, the following vulnerabilities have been resolved: xen/events: The close evtchn operation is performed after mapping cleanup is completed. shutdownpirq and startuppirq do not take the irqmappingupdatelock, as they cannot do so due to lock inversion. Both functions are called...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: udp: Fixed a data race around sysctludpl3mdevaccept. When reading sysctludpl3mdevaccept, it can be changed concurrently. Therefore, we need to add READONCE to its reader...