Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

A issue was discovered in include/asm-generic/tlb.h in the Linux kernel before version 5.19. Due to a race condition between unmapmappingrange and munmap, a device driver can free a page while it still has stale TLB entries. This only occurs in situations involving VMPFNMAP VMAs...

Astra Linux – Vulnerability in Linux 5.10, Linux

The mm/mremap.c file in the Linux kernel before version 5.13.3 contains a use-after-free issue due to a stale Translation Look-And-Reduce TLB table, as the rmap lock is not held during a PUD move...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

A use-after-free flaw was discovered in the Linux kernel before version 5.19.2. This issue occurs in the cmdhdlfilter function in the drivers/staging/rtl8712/rtl8712cmd.c file, allowing an attacker to launch a local denial-of-service attack and gain elevated privileges...

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

Linux block and network PV device frontends do not zero memory regions before sharing them with the backend CVE-2022-26365, CVE-2022-33740. Additionally, the granularity of the grant table does not allow sharing smaller than a 4K page, resulting in unrelated data residing in the same 4K page as...

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

A use-after-free flaw was discovered in the Linux kernel’s SGI GRU driver. This flaw arises from the way the grufileunlockedioctl function is called by the user, resulting in a failure in the grucheckchipletassignment function. This flaw allows a local user to cause a system crash or potentially...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

A issue was discovered in the Linux kernel through version 5.18.9. A type confusion bug in nftseteleminit could be exploited by a local attacker to escalate privileges. This is a different vulnerability than CVE-2022-32250. The attacker can obtain root access, but must start with an unprivileged...

Astra Linux – Vulnerability in Linux 5.10

A vulnerability was discovered in the Linux kernel and is classified as problematic. The affected component is the function rlbarpxmit in the file drivers/net/bonding/bondalb.c of the IPsec module. This vulnerability causes a memory leak. It is recommended that a patch be applied to address this...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

A issue was discovered in the drivers/input/input.c file within the Linux kernel before version 5.17.10. An attacker can cause a denial of service panic if inputsetcapability mishandles situations where an event code falls outside of a bitmap...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: cgroup: cgroupgetfromid must check that the looked-up kn is a directory. cgroup must be a kernfs directory; otherwise, a kernel panic will occur, especially when the cgroup ID is provided from userspace...

Astra Linux – Vulnerability in Linux 5.10, Linux

A vulnerability was discovered in the Linux kernel before version 5.16.12. In the file drivers/net/usb/sr9700.c, attackers can obtain sensitive information from heap memory by using crafted frame lengths from a device...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Zap all roots when unmapping gfn range in TDP MMU Both valid and invalid roots are cleared when unmapping a gfn range. KVM must ensure that it does not hold any references to the freed page after the unmapping...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: “Revert “block, bfq: honor already-setup queue merges”” A crash occurred in conjunction with the commit 2d52c58b9c9b “block, bfq: honor already-setup queue merges”. This issue was later reverted by the commit ebc69e897e17 “Revert...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: samples/landlock: Fixed the memory leak in pathlist. Clang static analysis reports this error. sandboxer.c:134:8: Warning: Potential memory leak pointed to by ‘pathlist’. ret = 0; ^ pathlist is allocated in parsepath, but never...

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

A vulnerability, classified as critical, has been discovered in the Linux kernel. The affected component is the deltimer function in the file drivers/isdn/mISDN/l1oipcore.c of the Bluetooth module. This vulnerability allows for manipulation leading to memory deallocation after it has been freed. ...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

A vulnerability has been identified in the Linux kernel. It has been declared as problematic. The function “followpagepte” in the file “mm/gup.c” of the component BPF is affected by this vulnerability. This manipulation leads to a race condition. The attack can be launched remotely. It is...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

The nfqnlmangle function in net/netfilter/nfnetlinkqueue.c in the Linux kernel, as of version 5.18.14, allows remote attackers to cause a denial of service panic. This occurs because, in the case of an nfqueue verdict with a one-byte nftapayload attribute, an skbpull operation may encounter a...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: watchqueue: Actually free the watch object. The freewatch function does everything except actually freeing the watch object. This issue is fixed by adding the missing kfree call. KMEMLEAK generates a report similar to the...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Check for a potential null return from kmallocarray. Since kmallocarray may return null, the use of 'eventwaitersi.wait' could lead to a null pointer derefrence. Therefore, it is better to check the return value of...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: veth: Ensure that the eth header is in the linear part of the skb structure. After feeding a decapsulated packet to a veth device using actmirred, skbheadlen might be set to 0. However, vethxmit calls devforwardskb, which expects...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/hfi1: Fixed a use-after-free bug related to the mm struct. Under certain conditions, such as MPIAbort, the hfi1 cleanup code may represent the last reference held on the task’s mm. hfi1mmurbunregister then releases the la...