Astra Linux – Vulnerability in Linux, Linux 5.10

A use-after-free flaw was discovered in the Linux kernel’s FUSE filesystem, where a user triggers the write function. This flaw allows a local user to gain unauthorized access to data from the FUSE filesystem, resulting in privilege escalation...

Astra Linux – Vulnerability in Linux 5.10, Linux

A out-of-bounds read flaw was discovered in the Linux kernel’s TeleTYpe subsystem. The issue arises when a user triggers a race condition using ioctls TIOCSPTLCK, TIOCGPTPEER, TIOCSTI, and TCXONC, accompanied by memory leakage in the flushtoldisc function. This flaw allows a local user to crash t...

Astra Linux – Vulnerability in Linux

A out-of-bounds memory write flaw was discovered in the Linux kernel’s joystick devices subsystem in versions prior to 5.9-rc1. This flaw allows a local user to crash the system or potentially escalate their privileges on the system. The greatest threat posed by this vulnerability is related to...

Astra Linux – Vulnerability in Linux 5.10

A flaw was discovered in the subsequent getuserpagesfast function within the Linux kernel’s interface for symmetric key cipher algorithms, specifically in the skcipherrecvmsg function of the crypto/algifskcipher.c file. This flaw allows a local user to crash the system...

Astra Linux – Vulnerability in Linux

An out-of-bounds memory access flaw was discovered in the x25bind function in the net/x25/afx25.c file within the Linux kernel version v5.12-rc5. A failure in the bounds check allows a local attacker with a user account on the system to access out-of-bounds memory, resulting in a system crash or...

Astra Linux – Vulnerability in Linux

A flaw involving double-free memory corruption in the Linux kernel’s HCI device initialization subsystem was discovered. This flaw allows a malicious HCI TTY Bluetooth device to be attached to the system. A local user could exploit this flaw to crash the system. This flaw affects all Linux kernel...

Astra Linux – Vulnerability in Linux

A flaw was discovered in the way RTAS handled memory accesses in user space for kernel communication. In a guest system that is under lockdown usually due to Secure Boot, running on top of PowerVM or KVM hypervisors pseries platform, a root-like local user could exploit this flaw to further...

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

A use-after-free flaw was discovered in vcsread in drivers/tty/vt/vc-screen.c within vc-screen in the Linux Kernel. This issue may allow an attacker with local user access to cause a system crash or leak internal kernel information...

Astra Linux – Vulnerability in Linux 5.10, Linux

A flaw in the boot CPU could be exploited by attacks targeting speculative execution behavior. This flaw is related to the power management options in the Linux kernel’s X86 CPU. It was discovered in the way users resume the CPU from suspend-to-RAM. A local user could utilize this flaw to...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

A vulnerability related to out-of-bounds memory access was discovered in the Linux kernel’s XFS file system, regarding how a user restores an XFS image after a failure with a dirty log journal. This vulnerability allows a local user to crash the system or potentially escalate their privileges on...

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

A flaw was discovered in the Linux kernel’s Traffic Control TC subsystem. Using a specific networking configuration—redirecting egress packets to ingress using the TC “mirred” action—a local unprivileged user could trigger a CPU soft lockup ABBA deadlock when the transport protocol in use TCP or...

Astra Linux – Vulnerability in Linux 5.15

A flaw in the NULL Pointer Dereference mechanism within the Linux kernel’s NTFS3 driver function attrpunchhole was identified. A local user could exploit this flaw to crash the system...

Astra Linux – Vulnerability in Linux 5.10

Ubuntu Linux 6.8, 7.17, and 7.0 contain AppArmor SAUCE patches that, under certain circumstances, may use an uninitialized variable in notification handling code. This bug can be triggered by a non-privileged local user, and it can lead to incorrect caching of AppArmor notification responses...

Astra Linux – Vulnerability in Linux 5.10

Ubuntu Linux 6.8 includes AppArmor patches that fail to properly acquire a lock when modifying a linked list. An unprivileged local user could exploit this race condition, leading to a Use-After-Free UAF error, and, theoretically, arbitrary code execution...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

A use-after-free flaw was discovered in the Linux kernel’s Netfilter functionality when adding a rule with NFTARULECHAINID. This flaw allows a local user to crash or escalate their privileges on the system...

Astra Linux – Vulnerability in Linux, Linux 5.10

A vulnerability was discovered in the pfkeyregister function in the net/key/afkey.c file within the Linux kernel. This flaw allows a local, unprivileged user to gain access to kernel memory, resulting in a system crash or the leakage of internal kernel information...

Astra Linux – Vulnerability in Intel Microcode

The removal or modification of security-critical code in certain Intel processors may allow an authenticated user to potentially enable information disclosure through local access...

Astra Linux – Vulnerability in Linux 5.15

A flaw in memory writing within the Linux kernel’s UDF file system functionality was discovered. This flaw allows a user to trigger certain file operations, which in turn triggers udfwritefi. A local user could exploit this flaw to crash the system or potentially cause other malicious actions...

Astra Linux – Vulnerability in Linux 5.10

A vulnerability was discovered in the Linux kernel’s blockinvalidatepage function in the fs/buffer.c file of the filesystem. A missing sanity check may allow a local attacker with user privileges to cause a denial of service DOS issue...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

An incorrect TLB flush issue was detected in the Linux kernel’s GPU i915 kernel driver. This flaw may lead to random memory corruption or data leaks. It could also allow a local user to crash the system or escalate their privileges on the system...