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: hvnetvsc: Fixed a panic that occurred during namespace deletion with VF. The existing code moves the VF NIC to a new namespace when NETDEVREGISTER is received on the netvsc NIC. During the deletion of the namespace,...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net:vxlan: Fixed a NULL dereference of ndtbl when IPv6 is disabled. When booting with the ‘ipv6.disable=1’ parameter, the ndtbl is never initialized because inet6init exits before ndiscinit is called, which is responsible for...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: scsi: qla2xxx: Fixed a crash that occurred when I/O abort times out. During CPU hotplug, a crash was observed with the following stack: Call Trace: qla24xxprocessresponsequeue+0x42a/0x970 qla2xxx qla2x00startnvmemq+0x3a2/0x4b0...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: bus: mhi: host: Drop the channel lock before queuing buffers. Ensure that read and write locks for the channel are not acquired consecutively by dropping the read lock from parsexferevent. This allows a callback provided to the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: crypto: qat – Fix for the ADFDEVRESETSYNC memory leak Using completiondone to determine whether the caller has gone away only works after a complete call. Furthermore, it’s still possible that the caller hasn’t yet called...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: nfsd: never defer requests during idmap lookup During the decoding of v4 request compound arguments, certain operations e.g., SETATTR can trigger idmap lookup upcalls. When the responses to these upcalls are delayed beyond the...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: validate vlan header Ensure there is sufficient room to access the protocol field of the VLAN header; validate it once before the flowtable lookup. ===================================================== BUG:...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: IB/core: Fixed the issue with the cleanup of the ibcachesetupone function. When ibcacheupdate returns an error, the ibcachesetupone function is exited immediately without proper cleanup. This occurs even though we have already...

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

In the Linux kernel, the following vulnerabilities have been resolved: Squashfs: fixed the handling and sanity checking of the xattrids count A Sysbot 1 that corrupted the filesystem exposed two flaws in the handling and sanity checking of the xattrids count in the filesystem. Both of these flaws...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

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

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: usb: kaweth: validate USB endpoints The kaweth driver should validate that the device it is probing has the proper number and types of USB endpoints it expects before binding to it. If a malicious device does not have the sa...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Avoid dereferencing a NULL pointer REASON Although unlikely, drmatomicgetnewconnectorstate or drmatomicgetoldconnectorstate may return NULL. SOLUTION Check the return value before dereferencing the variable...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: “block, bfq”: fixed a potential UAF issue for “bfqq-bic” in “bicsetbfqq”. After the commit “64dc8c732f5c” “block, bfq: fix possible UAF for ‘bfqq-bic’”, “bic-bfqq” will be accessed in “bicsetbfqq”. However, in some contexts,...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fecm: Refactor the bind path to use free After a bind/unbind cycle, the ecm-notifyreq remains stale. If a subsequent bind fails, the unified error handling mechanism attempts to free this stale request. This leads to...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: x86/entry32: CPU buffers are cleared after register restoration in NMI return. Currently, CPU buffers are cleared after a call to excnmi, but before the register state is restored. This may be acceptable for MDS mitigation, but n...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: bcache: Fixup btreecachewait list damage We encountered a kernel crash due to “listadd corruption”. next-prev should be prev 0xffff9c801bc01210, but it was actually fffff9c77b688237c. Next: 0ffffae586d8afe68. crash struct...

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

In the Linux kernel, the following vulnerabilities have been resolved: clk: Get runtime PM before walking the tree during disableunused. Doug reported 1 the following hung task: INFO: task swapper/0:1 was blocked for more than 122 seconds. Not tainted 5.15.149-21875-gf795ebc40eb8 1 “echo 0...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel before version 5.19, the file drivers/gpu/drm/arm/malidpplanes.c misinterprets the return value of getsgtable. It expects the return value to be NULL in the error case, but in reality, it is an error pointer...

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

In the Linux kernel, the following vulnerabilities have been resolved: i40e: Do not use the WQMEMRECLAIM flag for the workqueue. The issue was reported by a customer during SRIOV testing. When both the i40e and i40iw drivers are loaded, a warning is triggered in the checkFlushDependency function...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: ext4: Avoid allocating blocks from a corrupted group in ext4mbfindbygoal. The logic for checking whether the block bitmap of the group is corrupted is now placed under the protection of the group lock, thereby avoiding the...