Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: AppArmor: It is ensured that the DFA start states are within the valid range when unpackpdb is called. The start states are read from untrusted data and used as indexes into the DFA state tables. The aadfanext function call in...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: libceph: fixed a potential use-after-free in havemonandosdmap The wait loop in cephopensession can race with the client receiving a new monmap or osdmap shortly after the initial map is received. Both cephmonchandlemap and...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: pstore/ram: fixed a buffer overflow in persistent RamSaveOld. The persistent RamSaveOld function can be called multiple times for the same persistent RamZone e.g., via ramoopspstoreread - ramoopsgetnextprz for PSTORETYPEDMESG...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ip6tunnel: Use skbvlaninetprepare in ip6tnlrcv. The responsible commit did not handle VLAN encapsulation as detected by syzbot 1. Use skbvlaninetprepare instead of pskbinetmaypull. 1 Bug: KMSAN: uninit-value in...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: SCTP: Prevent out-of-bounds write attacks due to TOCTOU operations. For the following path that does not hold the sock lock: sctpdiagdump - sctpforeachendpoint - sctpepdump Make sure that you do not exceed the bounds of the data...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: uacce: Ensure safe queue release with state management. Directly calling putqueue carries risks, as it cannot guarantee that the resources of uaccequeue have been fully released beforehand. Therefore, adding a stopqueue...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: nfsd: Check that the server is running in unlockfilesystem. If we try to unlock the filesystem via an administrative interface, and nfsd is not running, it will cause the server to crash. This occurs currently because the...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ALSA: firewire-motu – fixed a buffer overflow issue in the hwdep read function for DSP events. The DSP event handling code in hwdepread could write more bytes into the user buffer than requested, especially when the user provided...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ipv6: A BUG in pskbexpandhead, as part of calipsoskbuffsetattr. There exists a kernel oops caused by a BUGONnhead INTMAX i.e., intskbheadroomskb + lendelta skbheadroomskb is meant to ensure that delta = headroom - skbheadroomskb ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/tegra: Added a call to putpid. Added a call to putpid corresponding to gettaskpid. host1xmemorycontextalloc does not take ownership of the PID, so we need to free it here to avoid leaks. [email protected]: reword commit...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: KVM: nSVM: Remove the user-triggered WARN message emitted by nestedsvmloadcr3. Remove the WARN message generated by svmsetnestedstate in nestedsvmloadcr3 failure cases. This message can be easily triggered from userspace by...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: Input: lkkbd – Disabling pending work before freeing the device. The lkkbdinterrupt function schedules the lk-tq queue via schedulework. The work handler lkkbdreinit dereferences the lkkbd structure and its serio/inputdev fields...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ethtool: Avoid overflowing the user-space buffer during stats queries The ethtool -S command operates through three ioctl calls: - ETHTOOLGSSETINFO for the size of the statistics data; - ETHTOOLGSTRINGS for the names of the...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: ext4: fixed inconsistencies in e4b bitmap reports An inconsistency issue with the bitmap was observed during stress tests under mixed huge-page workloads. Ext4 reported multiple e4b bitmap check failures, such as:...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: “Revert ‘hwmon: ibmpex fix use-after-free in high/low store’” This change is reflected in commit 6946c726c3f4c36f0f049e6f97e88c510b15f65d. Jean Delvare points out that the patch does not completely fix the reported problem...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/core: Correctly check the presence of LSNLATYPEDGID. The netlink response for RDMANLLSOPIPRESOLVE should always contain an LSNLATYPEDGID attribute; it is invalid if it is missing. Properly use the nl parsing logic and cal...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: HID: magicmouse: Do not cause a crash when the msc-input field is missing. Fake USB devices can send their own report descriptors, for which the inputmapping hook is not called. In this case, msc-input remains NULL, leading to a...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: power: supply: bq25980: A use-after-free occurred in the powersupplychanged function. By using the devm variant to request the IRQ before using the devm variant to allocate/register the powersupply handle, the powersupply handle...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: Squashfs: Check that the metadata block offset is within the acceptable range. Syzkaller reports a “general protection fault in squashfscopydata”. This issue is ultimately caused by a corrupted index look-up table, which resul...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: mISDN: Annotated data-race around dev-work dev-work can be read without locking in mISDNread and mISDNpoll. Add READONCE/WRITEONCE annotations. BUG: KCSAN: Data race in mISDNioctl/mISDNread Writing 0xffff88812d848280 4 bytes b...