Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: afunix: fixed the issue of struct pid leaks in OOB support. The issue arises from queueoob calling maybeaddcreds, which potentially holds a reference to a pid. However, the destructor of skb is not set either directly or by...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Ice: The code for copying the last block was omitted in icegetmoduleeeprom. icegetmoduleeeprom is broken since the commit e9c9692c8a81 “Ice: Reimplement module reads used by ethtool”. In this refactoring, icegetmoduleeeprom reads...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: RISCV: kprobe: Fixed kernel panic when probing an illegal position The kernel would panic when trying to probe an illegal position. For example: CONFIGRISCVISAC=n Example code: bash echo 'p:hello kernelclone+0x16 a0=%a0'...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: bridge: switchdev: Skip MDB replays of deferred events on offload Before this change, the generation of the list of MDB events to replay competed with the creation of new group memberhips, either through the IGMP/MLD snoopin...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix refcnt handling in inethashconnect. syzbot reported a warning in sknullsdelnodeinitrcu. The commit 66b60b0c8c4a "dccp/tcp: Unhash sk from ehash for tb2 alloc failure after checkestalblished." tried to fix an issue that a...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: drm/amdkfd: Ensure that the list is non-empty before using listfirstentry in kfdtopology.c. Before using listfirstentry, make sure that the list is not empty; if the list is empty, return -ENODATA. The following issues have al...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: tls: Fixed a NULL dereference issue in tlsswspliceeof, where an empty plaintext/ciphertext buffer could cause confusion in the sendfile process. When the plaintext/ciphertext skmsg is empty, the send path becomes confused because...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: ath11k – Fixing the gtk offload status event locking issue The ath11k active PDevs are protected by RCUs, but the code that handles the gtk offload status event and calls ath11kmacgetarvifbyvdevid was not marked as a...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: cxl/region: Do not attempt cleanup after a failure in cxlregionattach. The commit 5e42bcbc3fef “cxl/region: Decrement -nrtargets in case of error in cxlRegionattach” attempted to avoid initialization errors when -nrtargets exceed...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fixed a possible deadlock in rfcommskstatechange. syzbot reports a possible deadlock in rfcommskstatechange 1. While rfcommsockconnect acquires the sk lock and waits for the rfcomm lock, rfcommsockrelease might acquire...

Astra Linux – Vulnerability in Linux

A issue was discovered in the Linux kernel before 5.11.3 when a webcam device is present. The videousercopy function in drivers/media/v4l2-core/v4l2-ioctl.c has a memory leak for large arguments, identified as CID-fb18802a338b...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: NFS: Do not corrupt the value of pgbyteswritten in nfsdorecoalesce The value of mirror-pgbyteswritten should only be updated after a successful attempt to flush out the requests on the list...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: serial: rp2: Use ‘requestfirmware’ instead of ‘requestfirmwarenowait’. In ‘rp2probe’, the driver registers ‘rp2uartinterrupt’, then calls ‘rp2fwcb’ using ‘requestfirmwarenowait’. If the firmware does not exist, the function simpl...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: hamradio: Fixed a memory leak in mkissclose. My local syzbot instance encountered a memory leak in mkissopen1. The issue arose from the missing freenetdev call in mkissclose. In mkissopen, netdevice is allocated and then...

Astra Linux – Vulnerability in Linux 5.10

This vulnerability allows local attackers to escalate privileges on affected installations of Linux Kernel 5.14-rc3. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the handling o...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel up to version 5.13.7, an unprivileged BPF program can obtain sensitive information from kernel memory through a Speculative Store Bypass side-channel attack. This occurs because a certain preempting store operation does not necessarily occur before a store operation whose valu...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel up to version 5.13.7, an unprivileged BPF program can obtain sensitive information from kernel memory through a Speculative Store Bypass side-channel attack, because the protection mechanism ignores the possibility of uninitialized memory locations within the BPF stack...

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

In the Linux kernel, the following vulnerability has been resolved: icmp6: Fixed the null-ptr-deref of ip6nullentry-rt6iidev in icmp6dev. With some IPv6 Ext Hdr RPL, SRv6, etc., we can send a packet that has the link-local address as src and dst IP, and it will be forwarded to an external IP in t...

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

In the Linux kernel, the following vulnerability has been resolved: pps: Fixed a use-after-free On a board running with ntpd and gpsd, I’m encountering a consistent use-after-free in sysexit from gpsd during reboots: pps pps1: Removed ----------- - Cut here----------- kobject: "null"...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: HID: betop: fixed a slab-out-of-bounds Write issue in betopprobe. Syzbot reported a slab-out-of-bounds Write bug in the hid-betopff driver. The issue arises because the driver assumes that the device must have an input report;...