Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: block: RCU protection for disk-convzonesbitmap It is ensured that revalidating a disk by changing the conventional zones bitmap does not cause invalid memory references when using the helper function diskzoneisconv, with RCU...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: virt/coco/sev-guest: Double-buffer messages The encryption algorithms read from and write to shared, unencrypted memory directly. This may lead to the leakage of information, as well as allowing the host to tamper with the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: added an missing RCU unlock in the error path in tryreleasesubpageextentbuffer. Call rcureadlock before exiting the loop in tryreleasesubpageextentbuffer, because there is a rcureadunlock call after the loop. This issue wa...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: vfio: Split migration operations from main device operations The vfio core checks whether the driver sets certain migration operations e.g., setstate/getstate, and accordingly calls those operations. However, currently, the ml...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: ovpn: TCP – fix for extracting packets from the stream When processing TCP stream data in ovpntcprecv, we receive large cloned skbs from strprcv, which may contain multiple coalesced packets. The current implementation has two...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/i915/ttm: fixed handling of CCS Crucible + recent Mesa sometimes causes the following issue: GEMBUGONnumccsblks NUMCCSBLKSPERXFER It seems that this issue can also be triggered with gemlmemswapping, if we modify the tests ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: NFSD: Initialize the struct nfsd4copy earlier. Ensure that the refcount and asynccopies fields are initialized early. The cleanupasynccopy function will reference these fields if an error occurs in nfsd4copy. If these fields are...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: xsk: Fix for crashes that occur when the regular task queue is reactivated. When the regular task queue is reactivated after the XSK socket is closed, it may read stale cancellation requests cqe, which can eventually...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: xsk: The recycle buffer was handled in cases where the Rx queue was full. A missing call to xskbufffree was added when xskrcvzc failed to produce a descriptor for the XSK Rx queue...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Binder: Fixed a UAF Use-After-Free issue in bindersnetlinkreport. Transactions sent to frozen targets via bindersproctransaction return an BRTRANSACTIONPENDINGFROZEN error, but they are still treated as successful. This is becaus...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net: ti: icssg-prueth: Fixed the issue of missing data copying and incorrect recycling in ZC RX dispatch. The emacdispatchskbzc function allocates a new skb using napiallocskb. However, it never copies the packet data from the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: MGMT: fixed a crash in setmeshsync and setmeshcomplete. There is a bug: KASAN: a stack-out-of-bounds issue in setmeshsync, caused by memcpy from a poorly declared on-stack flexible array. Another crash occurs in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/xe/migrate: Do not overflow the maximum copy size. With non-page-aligned copies, we need to use a pitch that is 4 bytes in size. However, the size of the copied data may still be close to our maximum of approximately 8M. As a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ovl: The WARNON message was removed from the ovlverifyarea function. syzbot encountered an assertion issue within the copyupdata loop. It appears that this issue is caused by a lower file whose size is being changed under...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: nvme-multipath: fixed the suspicious RCU usage warning When I run the NVME over TCP test in virtme-ng, I receive the following “suspicious RCU usage” warning in nvmempathaddsysfslink: ''' 5.024557 T44 nvmet: Created nvm...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Tracing: Fixed the issue with copylinklist updates when the “copyTracemarker” option is enabled for an instance. When this option is enabled, any data written to /sys/kernel/tracing/tracemarker is also copied into the buffer o...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: use rcu-safe version of ipv6getlladdr Some time ago, 8965779d2c0e "ipv6,mcast: always hold idev-lock before mcalock" switched ipv6getlladdr to ipv6getlladdr, which is a rcu-unsafe version. This was acceptable, as...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: netfs: The “copy-to-cache” mechanism has been fixed so that it performs collection using Ceph+FSCache. The “copy-to-cache” mechanism used by Ceph with local caching creates a new request to write data that was just read into the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: netfs: Fixed a race condition between cache write completion and the setting of ALLQUEUED. When netfslib issues subrequests, these subrequests start processing immediately and may complete before we reach the end of the issuing...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: In the ice module, the value of fragsize in the XDP RxQ information was changed from the DMA write length to xdp.framesz. The only user of the fragsize field in the XDP RxQ information is bpfxdpfragsincreasetail. This function...