Astra Linux – Vulnerability in connman

In ConnMan through version 1.44, the lookup string in nsresolv in dnsproxy.c can be NULL or an empty string when the TC Truncated bit is set in a DNS response. This allows attackers to cause a denial of service application crash or potentially execute arbitrary code, as those lookup values lead t...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: lib/testhmm.c: Handling of failures in allocating srcpfns and dstpfns. The kcalloc function used in dmirrordeviceevictchunk will return null if the physical memory runs out. As a result, if srcpfns or dstpfns is dereferenced, ...

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 – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: The issue of NULL pointer dereferencing occurred when testing as follows: a Using syscallNRSocket, 0x10ul, 3ul, 0 to create a netlink socket. b Using syscallNRSendMsg, ... to create a bond link device and a vxcan link device, and...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: iouring: Fixed a null-ptr-deref in iotctxexitcb. Syzkaller reports a NULL deref bug as follows: BUG: KASAN: null-ptr-deref in iotctxexitcb+0x53/0xd3 Read of size 4 at address 0000000000000138 by task file1/1955 CPU: 1 PID: 195...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: USB: host: isp116x: check the return value after calling platformgetresource. If platformgetresource returns NULL, it may lead to a nullptrderef error. Therefore, we need to check the return value...

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 sdsgentryalign is used e.g., 512, and many...

Astra Linux – Vulnerability in net-snmp

The handleipv6IpForwarding function in agent/mibgroup/ip-mib/ipscalars.c in Net-SNMP version 5.4.3 to 5.9.3 has a NULL Pointer Exception bug. This bug can be exploited by a remote attacker to cause the instance to crash via a crafted UDP packet, resulting in a Denial of Service attack...

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: ipv6: Fixed a NULL pointer dereference in ip6rtgetdevrcu. l3mdevmasterdevrcu can return NULL when the slave device is being un-slaved from a VRF. All other callers handle this issue, but we lost the fallback to loopback in...

Astra Linux – Vulnerability in OpenCV

A issue was discovered in OpenCV prior to version 4.1.1. There is a NULL pointer dereferencing in the function cv::XMLParser::parse, located in modules/core/src/persistence.cpp...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Avoid using a null object of the framebuffer. Instead of directly using state-fb-obj0, obtain the object from the framebuffer by calling drmgemfbgetobj. Return an error code when the object is null to avoid using a nu...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Net: ravb: avoid dereferencing an invalid PTP clock. The PTP clock is unavailable before the first operation; therefore, querying its index may lead to dereferencing a NULL pointer. Registration failures may also leave an error...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: fs/ntfs3: Validates the BOOT recordsize field. When the NTFS BOOT recordsize field is less than 0, it represents a shift value. However, there is no sanity check on the shift result, and the sbi-recordbits calculation using...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: dax: Reading daxdev-holderops once in daxholdernotifyfailure daxholdernotifyfailure reads daxdev-holderops twice without using READONCE. Once for the NULL check, and once for the indirect notifyfailure call. A concurrent...

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: media: em28xx: Fix for use-after-free in em28xxv4l2open The em28xxv4l2open function reads dev-v4l2 without holding the dev-lock. This creates a race condition that can lead to errors in em28xxv4l2init and em28xxv4l2fini. Both...

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: netfilter: xtables: restricting xtcheckmatch/xtchecktarget extensions for NFPROTOARP Weiming Shi states that: The xtmatch and xttarget structures registered with NFPROTOUNSPEC can be loaded by any protocol family through nftcompa...

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: RDMA/siw: Fixed a potential NULL pointer dereference during header processing. If siwgethdr returns -EINVAL before setrxfpducontext, qp-rxfpdu can be NULL. The error path in siwtcprxdata dereferences qp-rxfpdu-moreddpsegs...

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: clsflow: Fixed a NULL pointer dereferencing on shared blocks. The flowchange function calls tcfblockq, and dereferences q-handle to derive a default baseclass. Shared blocks leave block-q NULL, causing a NULL dereferen...

Astra Linux – Vulnerability in SQLite3

The flattenSubquery in select.c in SQLite 3.30.1 mishandles certain uses of SELECT DISTINCT involving a LEFT JOIN where the right-hand side is a view. This can lead to a NULL pointer dereference or incorrect results...

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

In the Linux kernel, the following vulnerability has been resolved: media: dvb-usb-v2: af9035: Fix null-ptr-deref in af9035i2cmasterxfer In af9035i2cmasterxfer, msg is controlled by the user. When msgi.buf is null and msgi.len is zero, previous checks on msgi.buf will still be performed. Maliciou...