Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: x86/mm/64: define ARCHPAGETABLESYNCMASK and archsynckernelmappings Define ARCHPAGETABLESYNCMASK and archsynckernelmappings to ensure page tables are properly synchronized when calling pdpopulatekernel. For 5-level paging,...

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: f2fs: The return value of f2fsrecoverfsyncdata has been fixed. With the following scripts, a panic will occur in f2fs: bash mkfs.f2fs -f /dev/vdd mount /dev/vdd /mnt/f2fs touch /mnt/f2fs/foo sync echo 111 /mnt/f2fs/foo f2fsio fsy...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ext4: fixed a race condition between ext4write and ext4convertinlinedata Hulk Robot reported a BUG: ================================================================== EXT4-fs error device loop3: ext4mbgeneratebuddy:805: group 0,...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: afunix: Do not leave consecutive consumed OOB skb’s in the recv queue. Jann Horn reported a use-after-free in the unixstreamreadgeneric function. The following sequences reproduce the issue: $ python3 from socket import s1, s2...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fixed the type of the second parameter in the odneditdpmtable callback. With Clang’s kernel control flow integrity kCFI, CONFIGCFICLANG, indirect call targets are validated against the expected function pointer...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Wifi: mt76: Do not run mt76ustatusworker if the device is not running. Fixed the issue of NULL pointer dereferencing, preventing the mt76ustatusworker thread from being executed if the device is not running yet. KASAN:...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ext4: Silence the warning when evicting an inode with dioreadnolock When evicting an inode with the default dioreadnolock setting, it may cause problems because the unwritten extents are converted by the kworker after writeback,...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: accel/ivpu: Fixed a page fault in ivpubounbindallbosfromcontext...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: The issue of the refcount leak in the PCI device during amdgpuatrmgetbios has been fixed. According to the comments on pcigetclass, it returns a pcidevice with its refcount being incremented. Additionally, the refcoun...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: SMB3: Added missing locks to protect the deferred close file list. The cifsdeldeferredclose function has a critical section that modifies the deferred close file list. We must acquire the deferredlock before calling the...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: In mptcp, the task of cleaning up subflows has been moved to mptcpDestroyCommon. If the creation of a mptcp socket fails due to the CGROUPINETSOCKCREATE eBPF program, the MPTCP protocol ends up leaking all subflows. This related...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: fixed an issue where the extent map was used after free, when handling a missing device in readonechunk. The error code should be stored before freeing the extentmap. Although it’s a reference-counted structure, in that...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ACPI: Tables: FPDT: Do not call acpiosmapmemory on an invalid physical address. On a Packard Bell Dot SC Intel Atom N2600 model, there is an FPDT table containing invalid physical addresses, with high bits set that fall outside t...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: media: coda: Added a check for codairamalloc. Since codairamalloc may return a NULL pointer, it is better to check the return value to avoid dereferencing a NULL pointer, just like with the other cases...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix memory leak in qlt24xxhandleabts The commit 8f394da36a36 “scsi: qla2xxx: Drop TARGETSCFLOOKUPLUNFROMTAG” caused the qlt24xxhandleabts function to return early if tcmqla2xxxfindcmdbytag failed to find a command...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: RDMA/srp: Set scmnd-result only when scmnd is not NULL. This change fixes the following kernel NULL pointer dereference, which is occasionally reproduced by blktests srp/007. Bug: Kernel NULL pointer dereference, address:...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: char: xillybus: fix a refcount leak in cleanupdev The usbgetdev function is called in xillyusbprobe. Therefore, it is better to call usbputdev before releasing the xdev...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ip: Fixed a data race related to the sysctlipautobindreuse function. When reading sysctlipautobindreuse, it can be changed concurrently. Therefore, we need to add READONCE to its reader function...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ARM: exynos: Fixed a refcount leak in exynosmappmu. offindmatchingnode returns a node pointer with a refcount incremented. We should use ofnodeput on it when there is no longer a need for it. Added ofnodeput to avoid the...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: afunix: Clearing stale u-oobskb. Syzkaller began reporting a deadlock of unixgclock after the commit 4090fa373f0. However, this only reveals the bug that had been present since the commit 314001f0bf92 “afunix: Adding OOB support”...