Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iwlwifi: mvm: Fixed a possible NULL dereference. In iwlmvmremovetimeevent, a check was added to ensure that ‘tedata-vif’ is NULL before dereferencing it...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: sched/eevdf: This issue prevents vlag from going out of bounds in reweighteevdf. It was possible for pickeevdf to return NULL, which would lead to a NULL-deref. This issue was caused by entityeligible, which returned a falsely...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: nfsd: fixed the NULL dereference in nfs3svcencodegetaclres In error cases, the dentry may be NULL. Before 20798dfe249a, the encoder also checked dentry and dreallyispositivedentry, but I think that was unnecessary—a zero status...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: cpufreq: intelpstate: A crash occurred during the disabling of turbo mode. When the system is booted with the kernel command line arguments “nosmt” or “maxcpus” to limit the number of CPUs, disabling turbo mode by executing: echo...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: Broadcom – bcm4908enet: Updates TX statistics after actual transmission. Queuing packets does not guarantee their transmission. Updates TX statistics after the hardware confirms that it is consuming the submitted data. This...

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

In the Linux kernel, the following vulnerability has been resolved: MIPS: KVM: Fix for NULL pointer dereferencing After committing change 45c7e8af4a5e3f0bea4ac209 “MIPS: Remove KVMTE support”, we encountered a NULL pointer dereferencing issue when creating a KVM guest: 146.243409 Starting KVM wit...

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: Issue: unittest – Fix null pointer dereferencing in ofunittestfindnodebyname. Description: When kmalloc fails to allocate memory in kasprintf, variables like name or fullname will be NULL. In this case, strcmp will cause a null...

Astra Linux – Vulnerability in Mutt

Null pointer dereferencing when viewing a specially crafted email in Mutt 1.5.2 2.2.12...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: media: coda: Added a check for codairamalloc. Since codairamalloc may return a NULL pointer, it is better to check the return value to avoid dereferencing a NULL pointer, just like with the other cases...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: cxl/region: Fixed the crash that occurred during decoder allocation. When the decoders of an intermediate port are exhausted by existing regions, and a new region is created with that port in its hierarchical path, the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: nfc: pn533: Proper initialization of the struct pn533outarg structure. The struct pn533outarg, which serves as a temporary context for outurb, is not initialized properly. Its uninitialized ‘phy’ field can be dereferenced in erro...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: tipc: Check for a null pointer after calling kmemdup kmemdup may return a null pointer, so it is necessary to check for this. Otherwise, the null pointer will be dereferenced later in tipccryptokeyxmit, as can be seen in the trac...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fixed a NULL dereference bug. The issue arises when this function is called from ntfsloadattrlist. The value of “size” is calculated as le32tocpuattr-res.datasize. On 64-bit systems, this does not cause an overflow, but...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: md: Do not set mddev’s private field to NULL in raid0 with pers-free. In a normal stop process, the following sequence of operations occurs: domdstop | mdstop pers-free; mddev-private = NULL | mdfree free mddev The mdstop functio...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: pinctrl: mediatek: eint: Fixed invalid pointer dereferencing for v1 platforms The commit 3ef9f710efcb “pinctrl: mediatek: Added EINT support for multiple addresses” introduced an access to the ‘soc’ field of the struct mtkpinctrl...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Staging: GPIB – Fixed an Oops after disconnection in agilent USB. If the agilent USB dongle is disconnected, subsequent calls to the driver will cause a NULL dereference Oops, as the businterface is set to NULL upon disconnection...

Astra Linux – Vulnerability in Tiff

In libtiff version 4.3.0, the unchecked dereference of a return value can allow attackers to trigger a denial-of-service attack through a crafted TIF file. For users who compile libtiff from source code, this issue has been fixed in the commit f2b656e2...

Astra Linux – Vulnerability in openexr

There is a null pointer reference issue in Academy Software Foundation OpenEXR 2.3.0, specifically in the generatePreview function in makePreview.cpp. This issue may lead to a denial of service if a malicious EXR file is used...

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

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfttproxy: restrict to prerouting hook TPROXY is only allowed during prerouting, but nfttproxy does not check this. This fix resolves a crash null dereference that occurs when using tproxy from, for example, the output...