Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: In the net: gro subsystem, do not merge the zcopy state. The skbgroreceive function currently copies fragments between the source skb and the GRO. This process does not check the zerocopy status, especially the SKBFLMANAGEDFRAGRE...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: genirq/irqsim: Proper initialization of work context pointers Proper initialization of the pointers to the ops member by using kzalloc instead of kmalloc when allocating the simulation work context. Otherwise, the pointers may...

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 vulnerability has been resolved: Wifi: wlcore – Ensure skbheadroom before calling skbpush. This fix prevents occasional skbunderpanic errors in wl1271txwork. In this case, the allocated headroom is less than what is actually needed typically 110 – 94 = 16 bytes...

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: scsi: qla2xxx: Validate sp before freeing associated memory System crash with the following signatures: 154563.214890 nvme nvme2: NVME-FC1: Controller connect complete 154564.169363 qla2xxx 0000:b0:00.1-3002:2: nvme: Sched: Se...

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 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 in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: bcsp: receives data only if registered Currently, the bcsprecv function can still be called even when the BCSP protocol has not been registered. This leads to a NULL pointer dereference, as shown in the following stack...

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...

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 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 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: 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: 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 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...