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

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: rfcomm: Fixed a nullptrderef issue in rfcommchecksecurity. During our fuzz testing of the connection and disconnection processes at the RFCOMM layer, we discovered this bug. By comparing the packets generated during a...

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: vfio/platform: Create persistent IRQ handlers The vfio-platform SETIRQS ioctl currently allows loopback triggering of an interrupt before a signaling eventfd has been configured by the user, which allows a NULL pointer dereferenc...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bpf: Enforce expectedattachtype for tailcall compatibility Yinhao et al. recently reported: Our fuzzer tool discovered an uninitialized pointer issue in the bpfprogtestrunxdp function within the Linux kernel’s BPF subsystem. This...

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: ipvs: fix ipv4 null-ptr-deref in route error path The IPv4 code path in ipvsgetoutrt calls dstlinkfailure without ensuring skb-dev is set, leading to a NULL pointer dereference in fibcomputespecdst when ipv4linkfailure attempts t...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: gve: Added a missing NULL check for gveallocpendingpacket in TX DQO. gveallocpendingpacket may return NULL, but gvetxaddskbdqo did not check for this case before dereferencing the returned pointer. A missing NULL check was add...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: PCI: Endpoint – Avoid creating sub-groups asynchronously Asynchronous creation of sub-groups by a delayed operation could lead to a NULL pointer dereference when the driver directory is removed before the operation completes. The...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: BPF: Rejected direct access to nullable PTRTOBUF pointers The checkmemaccess function matches PTRTOBUF via basetype, which removes the PTRMAYBENULL flag, allowing direct dereferencing without a null check. The map iterator ctx-ke...

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

In the Linux kernel, the following vulnerability has been resolved: icmp6: Fixed the null-ptr-deref of ip6nullentry-rt6iidev in icmp6dev. With some IPv6 Ext Hdr RPL, SRv6, etc., we can send a packet that has the link-local address as src and dst IP, and it will be forwarded to an external IP in t...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: media: amphion: Fixed issues related to REVERSEINULL reported by Coverity. Null-checking of a pointor was suggested before dereferencing it...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: In the mm module, a NULL pointer dereference was addressed in the allocpagesbulknoprof function. A NULL pointer dereference occurred in allocpagesbulknoprof when the task was migrated between different CPU sets. This happened whe...

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: wifi: zd1211rw: Fixed a potential NULL pointer dereference in zdmactxtodev. There is a potential NULL pointer dereference in zdmactxtodev. For example, the following situation may occur: c T0 T1 zdmactxtodev / len == skbqueuelenq...

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: bcache: fixed a NULL pointer in cachesetFlush 1. LINE1794 – LINE1887 contains code related to the function of bchcachesetalloc. 2. LINE2078 – LINE2142 contains code related to the function of registercacheset. 3. 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: net/sched: schqfq: Fixed a null dereference in aggdequeue. To prevent a potential crash in aggdequeue when cl-qdisc-ops-peekcl-qdisc returns NULL, we check the returned value before using it, similar to the existing approach in...

Astra Linux – Vulnerability in krb5

In kdc/kdcpreauthec.c of the Key Distribution Center KDC in MIT Kerberos 5 also known as krb5, before versions 1.18.4 and 1.19.x, and before version 1.19.2, remote attackers could exploit a vulnerability that led to a NULL pointer dereferencing and a crash of the daemon. This occurs because the...

Astra Linux – Vulnerability in python-ldap

Python-ldap is a lightweight directory access protocol LDAP client API for Python. In versions prior to 3.4.5, the ldap.dn.escapednchars function incorrectly escaped \x00 by emitting a slash followed by a literal NUL byte instead of the RFC-4514 hex form \00. Any application that uses this functi...

Astra Linux – Vulnerability in libjpeg-turbo

Libjpeg-turbo 1.5.2 has a NULL Pointer Dereference issue in files jdpostct.c and jquant1.c, due to a malicious JPEG file...

Astra Linux – Vulnerability in Firefox

The return value from gfx::SourceSurfaceSkia::Map wasn’t verified, which could potentially lead to a null pointer dereferencing. This vulnerability affects Firefox versions less than 110...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: blk-mq: Fixed the NULL dereference on q-elevator in blkmqelvswitchnone. After acquiring the q-sysfslock, q-elevator may become NULL due to the elevator switch. Fixed the NULL dereference on q-elevator by checking it with a lock...

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: scsi: target: core: Fixed the nullptrderef issue in targetallocdevice There is a nullptrderef issue reported by KASAN: BUG: KASAN: nullptrderef in targetallocdevice+0xbc4/0xbe0 targetcoremod … kasanreport+0xb9/0xf0...

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: wifi: brcmfmac: A bug caused by NULL pointer dereferencing in brcmidmacsglistrw has been fixed. This patch addresses a bug where a NULL pointer dereferencing occurs when a high value of sdsgentry-align is used e.g., 512, and many...