Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/i915: A flaw that prevents NULL driverdata values in i915pciprobe. The pcimatchdevice function may return the dummy pcideviceidany entry when a device is forced-bound via sysfs using driveroverride. In this case, -driverdata ...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Fixed a possible NULL pointer dereferencing in sndusbpcmhasfixedrate. The argument of the subs function may be NULL; therefore, do not use it before a NULL check...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ALSA: es1938: Check the return value of sndctlnew1. sndctlnew1 may return NULL when memory allocation fails. sndes1938mixer does not check the return value before dereferencing the pointer, which can lead to a NULL pointer being...

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: In hciuart, issues related to Use-After-Free UAF and Null Pointer Dereference NPD conditions were observed during the lifecycle management of hciuart. The primary issue arises because the workqueues initready and...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ALSA: gus: check the return value of sndctlnew1 The sndctlnew1 function may return NULL when memory allocation fails. The sndgf1pcmvolumecontrol function does not check the return value before dereferencing kctl-id.index, whic...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtnat: rejects unsupported target families The xtnat SNAT and DNAT target handlers assume that the IP-family conntrack state is present. This allows them to dereference a NULL pointer when instantiated from an...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: NFSv4/flexfiles: rejecting a zero filehandle-version count The fflayoutalloclseg function decodes the count of the filehandle-version array from the flexfiles layout body. This value is used as the count for kzallocobjs, and the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fbcon: Fixed the issue of NULL pointer dereferencing for a console without vcdata. The function fbconnewmodelist is called when the modelist of a framebuffer changes. For each console mapped to it using fbdisplayi.mode, it reads...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: agp/amd64: Fixed broken error propagation in agpamd64probe A NULL pointer dereference was observed in the AMD64 AGP driver when running in a virtualized environment e.g., qemu/kvm without a physical AMD northbridge. The crash...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: TCP: IPv6: Clamping the default advertising MSS to avoid GSOBYFRAGS 0xFFFF. When the MTU is large, ip6defaultadvmss may return IPV6MAXPLEN 65535. This is interpreted by TCP as “mssclamp”, allowing the MSS to reach 65535. However,...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ipv6: ndisc: Fix for NULL dereference in acceptuntrackedna. acceptuntrackedna re-fetches the inet6dev using in6devgetdev, and dereferences idev-cnf.acceptuntrackedna without a NULL check. This occurs even though its only caller,...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ocfs2: Fixed a NULL pointer dereference in ocfs2assuretranscredits. BREAK A direct write over unwritten extents can cause the kernel to panic in ocfs2assuretranscredits, especially when the journal aborts during DIO completion...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not trim a device which is not writeable BUG There is a bug report that btrfs/242 can randomly fail with the following NULL pointer dereference: run fstests btrfs/242 at 2026-06-01 10:25:08 BTRFS: device fsid...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: HID: picolcd: preventing NULL pointer dereferencing in picolcdsendandwait In picolcdsendandwait, an integer overflow of the signed loop counter ‘k’ could theoretically lead to a NULL pointer dereferencing of ‘rawdata’. If the loo...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net, bpf: A NULL check for the master parameter was missing in xdpmasterredirect. xdpmasterredirect dereferes the result of netdevmasterupperdevgetrcu without performing a NULL check. However, this helper function returns NULL wh...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: cpufreq: Fixed a race condition during reboot During system reboot, cpufreqsuspend is called via the kernelrestart - deviceshutdown path. Unlike the normal system suspend path, the reboot path does not call freezeprocesses, so...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: rtc: mt6397: Check the return value after calling platformgetresource. If platformgetresource returns NULL, it may lead to a nullptrderef issue. Therefore, we need to check the return value...

Astra Linux – Vulnerability in OpenSSL

Issue summary: An invalid or NULL pointer dereference can occur in an application processing a malformed PKCS12 file. This can lead to a Denial of Service attack. Impact summary: An application processing a malformed PKCS12 file may inadvertently dereference an invalid or NULL pointer during memo...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: nbd: The function genlunregisterfamily is called first in nbdcleanup. Otherwise, there may be a race between the removal of the module and the handling of the netlink command, which can lead to an oops as shown below: BUG: Kernel...

Astra Linux – Vulnerability in Mariadb 10.3

MariaDB Server versions prior to 10.3.34 through 10.9.3 are vulnerable to Denial of Service attacks. It is possible for the function spiderdbmbase::printwarnings to dereference a null pointer...