Astra Linux – Vulnerability in Zabbix

During Zabbix installation from RPM, the DACOVERRIDE SELinux capability is used to access PID files in the /var/run/zabbix folder. In this case, processes of Zabbix Proxy or Server can bypass the file read, write, and execute permission checks at the file system level...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: NFSD: NFSv4 file creation neglects setting the ACL. A NFSv4 client that sets an ACL with a named principal during file creation retrieves the ACL later. It finds that the ACL is only a default ACL based on the mode bits, not the...

Astra Linux – Vulnerability in libdata-validate-ip-perl

The Data::Validate::IP module in Perl version 0.29 does not properly handle extra zero characters at the beginning of an IP address string. In some cases, this allows attackers to bypass access controls that are based on IP addresses...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mac80211: Only QoS data frames are tracked for admission control. For admission control, it clearly only applies to QoS data frames. Otherwise, we wouldn’t even be able to access the QoS field in the header. Syzbot reported an...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel before version 5.16.3, the driver/bluetooth/hciqca.c file misinterprets the return value of devmgpiodgetindexoptional. It expects the return value to be NULL in the error case, but in reality, it is an error pointer...

Astra Linux – Vulnerability in curl

When curl is used to retrieve and parse cookies from an HTTPS server, it accepts cookies using control codes that, when sent back to an HTTP server later, may cause the server to return 400 responses. This effectively allows a “sister site” to deny service to all other sibling sites...

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

In the Linux kernel, the following vulnerabilities have been resolved: net: USB: Fixed an error in the warning message for incorrect direction handling in plusb.c. The syzbot fuzzer detected a bug in the plusb network driver: A zero-length control-OUT transfer was incorrectly processed as a read...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: - Misc: ocxl: fixed a possible refcount leak in afuioctl. - eventfdctxput needs to be called to update the refcount obtained through eventfdctxfdget when ocxlirqsethandler fails...

Astra Linux – Vulnerability in libde265

There is an incorrect access control vulnerability in libde265 v1.0.8 due to a SEGV in slice.cc...

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

In the Linux kernel, the following vulnerability has been resolved: sctp: A potential overflow issue in sctpifwdtsnskip has been fixed. Currently, when using sctpwalkifwdtsn to traverse ifwdtsnskip, it only checks the position pos against the end of the chunk. However, the data remaining at the...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: dm thin: Fixed a use-after-free crash in dmsmregisterthresholdcallback. Reports of faults injecting into the pool metadata device: - BUG: KASAN: Use-after-free in dmpoolregistermetadatathreshold+0x40/0x80. - Reading of size 8 ...

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

In the Linux kernel, the following vulnerability has been resolved: tomoyo: Fixed the UAF write bug in tomoyowritecontrol. Since tomoyowritecontrol updates head-writebuf when the write function is called for long lines, we need to retrieve head-writebuf after holding head-iosem. Otherwise,...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/damon/core: removed the callcontrol in inactive contexts. If the damoncall function is executed against a DAMON context that is not running, the function returns an error while keeping the damoncallcontrol object linked to the...

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

In the Linux kernel, the following vulnerabilities have been resolved: SCTP: Initialization of additional fields in sctpv6fromsk was incorrect, leading to undefined behavior. SYZbot discovered that sin6scopeid was not properly initialized, causing undefined behavior. sin6scopeid and sin6flowinfo...

Astra Linux – Vulnerability in Linux, Linux 5.10

A flaw in the processing of received ICMP errors such as ICMP fragments and ICMP redirections within the Linux kernel’s functionality was identified. This flaw allows an off-path remote user to quickly scan open UDP ports. This vulnerability enables a remote user to bypass the UDP source port...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: The issue was that can: ucan: introduced an out-of-bound read in the strscpy function’s source code. Commit 7fdaf8966aae “can: ucan: use strscpy instead of strncpy” inadvertently resulted in an out-of-bound read of one byte from...

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

In the Linux kernel, the following vulnerability has been resolved: memcg: Protection for concurrent access to memcgroupidr Commit 73f576c04b94 “mm: memcontrol: Fixing cgroup creation failures after many small operations” separated the memcgroupidr IDs from the CSS ID space to address cgroup...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: tcp: tcprtxsynack can be called from process context Laurent reported the enclosed report 1 This bug triggers under the following conditions: 0 The kernel is built with CONFIGDEBUGPREEMPT=y 1 A new passive FastOpen TCP socket is...

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: usb: typec: fix potential array underflow in ucsiccgsynccontrol The “command” variable can be controlled by the user via debugfs. The concern is that if conindex is zero, then “&uc-ucsi-connectorconindex - 1” would result in an...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ACPI: CPPC: Fixed NULL pointer dereferencing when nosmp is used When nosmp is used in the command line, other CPUs are not brought up, leaving their cpcdescptr NULL. CPU0’s iteration via foreachpossiblecpu dereferences these NULL...