Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: cifs: preventing use-after-free by freeing the cfile later. In smb2compoundop, there is a potential use-after-free that may lead to difficult debugging issues in the future. This issue was identified during stress testing with th...

Astra Linux – Vulnerability in OpenLDAP

A flaw was discovered in OpenLDAP before version 2.4.57, which led to an infinite loop in slapd due to the cancelextop Cancel operation, resulting in a denial of service...

Astra Linux – Vulnerability in Linux 5.10

There is a vulnerability related to time-of-check to time-of-use issues in the iouringsubsystem’s IORINGOPCLOSE operation in the Linux kernel versions 5.6 to 5.11 inclusive. This vulnerability allows a local user to elevate their privileges to root. Introduced in the version...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ice: ptp: do not emit a WARN when controlling PF is unavailable. In VFIO passthrough setups, it is possible to only pass through a PF that does not own the source timer. In such cases, the PTP controlling PF adapter-ctrlpf is nev...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/tests: shmem: Hold the reservation lock during the purge operation. The reservation lock of the GEM object must be held during calls to the purge operation of that object. The tests use drmgemshmempurgelocked, which caused...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/mseal: The end of the current VMA was correctly updated during merging. Previously, we stored the end of the current VMA in currend. When moving to the next VMA, we updated currstart to currend to proceed to the next VMA...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: sched/fair: Fixed the issue with zerovruntime tracking. John reported that stress-ng-yield could cause his machine to behave abnormally. He managed to bisect the process to commit the change using the code b3d99f43c72b...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: xen/gntdev: Accommodation for VMA splitting Prior to this commit, the gntdev driver code did not handle the following scenario correctly with paravirtualized PV Xen domains: The user process sets up a gntdev mapping consisting of...

Astra Linux – Vulnerability in open-vm-tools

A malicious actor who has been granted “Guest Operation Privileges” https://docs.vmware.com/en/VMware-vSphere/8.0/vsphere-security/GUID-6A952214-0E5E-4CCF-9D2A-90948FF643EC.html can potentially elevate their privileges if the target virtual machine has been assigned a more privileged “Guest Alias...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fixed the issue where the unlock operation was not matched correctly for the DMUB HW lock in the HWSS fast path. Why The evaluation of whether we need to use the DMUB HW lock is different from the evaluation of...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ixgbevf: added the missing negotiatefeatures operation to the Hyper-V ops table. The commit a7075f501bd3 “ixgbevf: fixed mailbox API compatibility by negotiating supported features” added the.negotiatefeatures callback to...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: fs/ntfs3: Fixed a null-ptr-deref issue in inode-iop in ntfslookup. Syzbot reported a null-ptr-deref bug: ntfs3: loop0: The sector size of NTFS is 1024, while the media sector size is 512. ntfs3: loop0: Marking the volume as...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: virtiopmem: Added the missing REQOPWRITE for flushing bio. When performing mkfs.xfs on a pmem device, the following warning was encountered: ------------ Cut here ------------ Warning: CPU: 2, PID: 384; at block/blk-core.c:751:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Nouveau/UVMM: Fixed calculations of addresses/ranges for remap operations. The issue with dEQP-VK.sparseresources.imagerebind.2darray.r64i.1281288 was causing a remap operation like the one below: opremap: prev: 0000003fffed00...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: gve: Implement gettimex64 with -EOPNOTSUPP. At this time, gve has implemented a ptpclock that exclusively uses doAuxWork. ptpClockgettime and ptpSysoffset assume that every ptpclock has implemented either gettimex64 or...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: slab: Avoid race conditions in allocslabobjexts. If two competing threads enter allocslabobjexts, and one of them fails to allocate the object extension vector, it may override the valid slab-objexts allocated by the other thread...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: tipc: skblinearize the head skb when reassembling msgs It’s not a good idea to append the frag skb to a skb’s fraglist if the fraglist already contains skbs from elsewhere. For example, this frag skb was created by pskbcopy, wher...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: media: dvbdev: Fixed a memory leak in dvbMediaDeviceFree. The function dvbMediaDeviceFree leaks memory. It is necessary to free the dvbdev-adapter-conn object before setting it to NULL, as documented in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: “NFSD: Remove the cap on the number of operations per NFSv4 COMPOUND.” I have found that the pynfs COMP6 now leaves the connection or lease in a strange state, causing CLOSE9 to hang indefinitely. I have investigated this issue a...

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: drm/msm/dp: Resources are freed after they are unregistered. The unbind operation of the DP component iterates through the submodules to unregister them and clean up the situation. However, if the unbind occurs because the DP...