Astra Linux – Vulnerability in Linux, Linux 5.10

A memory flaw after deallocation was discovered in the Linux kernel’s garbage collection for Unix domain socket file handlers. This flaw occurs when users call close and fget simultaneously, potentially triggering a race condition. This flaw allows a local user to crash the system or escalate the...

Astra Linux – Vulnerability in Linux

A flaw was discovered in the CAN BCM networking protocol within the Linux kernel. A local attacker can exploit this flaw in the CAN subsystem to corrupt memory, cause the system to crash, or escalate privileges. This race condition in the net/can/bcm.c file of the Linux kernel allows for local...

Astra Linux – Vulnerability in Linux 5.10

In ioidentitycow of iouring.c, there is a potential way to corrupt memory due to a use after free. This could lead to a local escalation of privileges, as the exploit requires system execution privileges. User interaction is not required for exploitation. Product: Android Versions: Android kernel...

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

A use-after-free vulnerability exists in the Linux kernel’s net/sched:clsu32 component, which can be exploited to achieve local privilege escalation. When the u32change function is called on an existing filter, the entire tcfresult struct is always copied into the new instance of the filter. This...

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

A “use-after-free” vulnerability in the Linux kernel’s ipv4:igmp component can be exploited to achieve local privilege escalation. A race condition can also be exploited, causing a timer to be mistakenly registered on a RCU read-locked object that is then freed by another thread. We recommend...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

Linux Kernel nftables: Vulnerability involving local privilege escalation after free operations; nftchainlookupbyid fails to check whether a chain is active, and CAPNETADMIN is present in any user or network namespace...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

A null pointer dereference vulnerability was discovered in the nftdynsetinit function in net/netfilter/nftdynset.c within nftables in the Linux kernel. This issue may allow a local attacker with the CAPNETADMIN user privilege to trigger a denial of service attack...

Astra Linux – Vulnerability in Linux

Local privilege escalation vulnerability in Ubuntu Kernels overlayfs: Ovlcopyupmeta inodedata function skips permission checks when calling ohldosetxattr on Ubuntu kernels...

Astra Linux – Vulnerability in Linux 5.10, Linux

A out-of-bounds read vulnerability was discovered in the SR-IPv6 implementation within the Linux kernel. The flaw arises from the processing of seg6 attributes. The issue stems from the improper validation of user-provided data, which can lead to reading data beyond the bounds of an allocated...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

There is a null-pointer-dereference flaw found in f2fswriteendio in fs/f2fs/data.c in the Linux kernel. This flaw allows a local privileged user to cause a denial of service problem...

Astra Linux – Vulnerability in Linux, Linux 5.10

A flaw was discovered in the sctpmakestrresetreq function within the net/sctp/smmakechunk.c file, located in the SCTP network protocol in the Linux kernel. This flaw involves attempting to use more buffer space than is allocated, which triggers a BUGON issue, resulting in a denial of service DOS...

Astra Linux – Vulnerability in Linux 5.15

A use-after-free vulnerability in the Linux Kernel Performance Events system can be exploited to gain local privilege escalation. The perfgroupdetach function did not check the attachstate of the event’s siblings before calling addeventtogroups; moreover, removeonexec allowed calling listdelevent...

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

A flaw was discovered after the free function in the Linux kernel’s Xircom 16-bit PCMCIA PC-card Ethernet driver. A local user could exploit this flaw to crash the system or potentially escalate their privileges on the system...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

A use-after-free vulnerability in the netfilter component of the Linux kernel’s nftables module can be exploited to achieve local privilege escalation. A flaw in the error handling of bound chains causes a use-after-free in the abort path of NFTMSGNEWRULE. This vulnerability requires that...

Astra Linux – Vulnerability in Linux 5.10, Linux

A use-after-free vulnerability was discovered in the Linux kernel’s ext4 file system, particularly regarding the handling of the additional inode size for extended attributes. This flaw could allow a privileged local user to cause a system crash or other undefined behaviors...

Astra Linux – Vulnerability in Linux 5.10

Improper restriction of operations within the bounds of a memory buffer in some IntelR i915 Graphics drivers for Linux before the kernel version 6.2.10 may allow an authenticated user to potentially enable privilege escalation via local access...

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

A use-after-free vulnerability in the Linux kernel’s afunix component can be exploited to achieve local privilege escalation. The unixstreamsendpage function attempts to add data to the last skb in the peer’s recv queue without locking the queue. This creates a race condition where...

Astra Linux – Vulnerability in cifs-utils

In cifs-utils up to version 6.14, a stack-based buffer overflow occurs when parsing the mount.cifs ip= command-line argument. This vulnerability could allow local attackers to gain root privileges...

Astra Linux – Vulnerability in Linux, Linux 5.10

A use-after-free vulnerability was discovered in the Linux kernel, specifically in the drivers/net/hamradio module. This flaw allows a local attacker with user privileges to cause a denial of service DOS condition when the mkiss or sixpack device is detached, resulting in premature reclamation of...

Astra Linux – Vulnerability in Linux, Linux 5.10

A use-after-free flaw was discovered in the Linux kernel’s NFC core functionality due to a race condition between the creation and deletion of kobjects. This vulnerability allows a local attacker with CAPNETADMIN privileges to leak kernel information...