Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ext4: fix null-ptr-deref in ext4writeinfo I identified a null-ptr-deref bug as follows: ================================================================== KASAN: null-ptr-deref in range 0x0000000000000068-0x000000000000006f CPU: ...

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

In the Linux kernel, the following vulnerabilities have been resolved: - net: hsr: Avoid potential out-of-bound access in fillframeinfo. syzbot can inject a packet with 14 bytes, pretending it is a VLAN packet. Since fillframeinfo already relies on skb-maclen, extend the check to cover this case....

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: hns3 – A buffer overflow vulnerability may occur when reading coalesce info via debugfs. The hns3 driver defines an array of strings to store coalesce info. However, if the kernel introduces a new mode or state, a buffer...

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

In the Linux kernel, the following vulnerability has been resolved: qed/qedsriov: protection against NULL references from qediovgetVFInfo. We must ensure that the information returned by the helper function is valid before using it. This issue was detected by the Linux Verification Center...

Astra Linux – Vulnerability in binutils

A vulnerability has been identified in GNU Binutils 2.43/2.44 and is classified as problematic. The vulnerability affects the displayinfo function in the binutils/bucomm.c file, which is part of the objdump component. This vulnerability causes a memory leak. An attack must be approached locally...

Astra Linux – Vulnerability in Apache2

There is a vulnerability in the core of the Apache HTTP Server version 2.4.59 and earlier. This vulnerability allows for information disclosure, SSRF attacks, or local script execution through backend applications whose response headers are malicious or exploitable. Users are recommended to upgra...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: cifs: Fixed the error in the length of the VALIDATENEGOTIATEINFO message. The commit code d5c7076b772a includes the following changes: - Added smb3.1.1 to the default dialect list. - Extended the number of dialects from 3 to 4. -...

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

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fixed a kernel-infoleak in nilfsioctlwrapcopy The ioctl helper function nilfsioctlwrapcopy, which exchanges a metadata array to/from user space, may copy uninitialized buffer regions to user space memory for read-only ioc...

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

In the Linux kernel, the following vulnerabilities have been resolved: uprobes: Fixed a kernel information leak via “uprobes” vma. xoladdvma: Maps the uninitialized page allocated by createxolarea into user space. On some architectures x86, this memory is readable even without VMREAD or VMEXEC;...

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: btrfs: Do not trigger BUGON due to ENOMEM from btrfslookupextentinfo in walkdownproc. We have properly handled errors here. ENOMEM is not fatal; we return the error instead...

Astra Linux – Vulnerability in binutils

A vulnerability was discovered in GNU Binutils 2.44 and is classified as problematic. This issue affects the processdebuginfo function in the binutils/dwarf.c file, within the DWARF Section Handler component. The vulnerability results in a memory leak. Local attacks are required to exploit this...

Astra Linux – Vulnerability in curl

libcurl provides the CURLOPTCERTINFO option to allow applications to request details about a server’s certificate chain. Due to a faulty function, a malicious server could cause libcurl, built with NSS, to get stuck in an endless busy-loop when attempting to retrieve that information...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: btrfs: Zoned – Initialize the device’s zone info for seeding When performing seeding on a zoned filesystem, it is necessary to initialize the btrfszoneddeviceinfo structure of each zoned device. Otherwise, mounting the filesystem...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: virtionet: Fixed the issue with xdprxqinfo after suspend/resume. The following sequence currently causes a driver bug warning when using virtionet: bash ip link set eth0 up echo mem /sys/power/state or e.g. rtcwake -s 10 -m mem i...

Astra Linux – Vulnerability in Linux 5.15

A flaw was discovered in the ksmbd component of the Linux kernel, a high-performance in-kernel SMB server. The specific flaw occurs during the handling of the SMB2TREECONNECT and SMB2QUERYINFO commands. The issue arises from the lack of proper validation of a pointer before accessing it. An...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: In the net: stream module, the purge skerrorqueue operation in skstreamkillqueues has been fixed. Changheon Lee reported TCP socket leaks, with a detailed reproduction guide. It appears that we encounter TCP socket leaks in the...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: smb/server: fixed a potential null-ptr-deref of leasectxinfo in smb2open A null-ptr-deref will occur when reqoplevel == SMB2OPLOCKLEVELLEASE and parseleasestate returns NULL. This issue was fixed by checking whether...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: gianfar: ethtool: Fixed a refcount leak in gfargettsinfo The offindcompatiblenode function returns a node pointer with the refcount incremented. We should use ofnodeput on it after processing. Also, add the missing ofnodeput to...

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

In the Linux kernel, the following vulnerabilities have been resolved: hsr: Fixed uninit-value access in fillframeinfo Syzbot reports the following uninit-value access problems. ===================================================== BUG: KMSAN: uninit-value in fillframeinfo net/hsr/hsrforward.c:60...

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

A issue was discovered in the Linux kernel before version 5.19.16. Attackers who were able to inject WLAN frames could cause a buffer overflow in the ieee80211bssinfoupdate function in the net/mac80211/scan.c file...