Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/gpusvm: fixed the usage of hmmpfntomaporder Handled the case where the hmm range partially covers a large page such as 2M. Otherwise, we might end up doing something unpleasant, such as mapping memory that is outside the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: RDMA/bnxtre: Fixed a possible memory leak. This issue occurs in bnxtresetupchipctx, when bnxtqplibmapdbbar fails; the driver does not free the memory allocated for “rdev-chipctx”...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: soundwire: Reverted “soundwire: qcom: Add setchannelmap API support”. This reversion corresponds to commit 7796c97df6b1b2206681a07f3c80f6023a6593d5. This patch caused issues with Dragonboard 845c sdm845. The following errors...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net/mlx5e: Track xmit submissions to PTP WQ after populating the metadata map. Ensure that the skb is available in the metadata mapping to skbs before tracking the metadata index to detect undelivered CQEs. If the metadata ind...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: mm/vma: Fixed a memory leak in mmapregion. The commit 605f6586ecf7 “mm/vma: No memory leak occurs when .mmapprepare swaps the file” handled the success path by skipping getfile via filedoesntneedget, but missed the error path...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: perf/core: Fixed a reference count bug and a potential UAF in perfmmap. Syzkaller reported a refcountt issue where the increment of the reference count was set to 0; there was also a warning about a use-after-free when using...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: kernel/kexec: fixed the issue when the kexec target address is allocated in the CMA area. Description of the bug When I tested kexec with the latest kernel, I encountered the following warning: 40.712410 ------------ cut here ---...

Astra Linux – Vulnerability in Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/panfrost: Fixed the error path in panfrostmmumapfaultaddr Subject: PATCH drm/panfrost: Fixed the error path in panfrostmmumapfaultaddr If some of the page allocations fail, we should not release the previous references to tho...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: BPF, sockmap: Do not allow sockmapclose,destroy,unhash to call itself. Proto callback functions in sockmap should never call themselves by design. Protect against bugs like 1 and break out of the recursive loop to avoid a stac...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: filemap: Replace pteoffsetmap with pteoffsetmapnolock. The vmf-ptl in filemapfaultrecheckptenone is still set from handleptefault. However, at the same time, we performed a pteunmapvmf-pte operation. After this unmap operation an...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: fixed a chunk map leak in btrfsmapblock after btrfschunkmapnumcopies. Fixed a chunk map leak in btrfsmapblock: if we return early with -EINVAL, we are not freeing the chunk map that we just looked up...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: accel/qaic: A leak was fixed in mapuserpages. If getuserpagesfast allocates some pages, but not as many as we wanted, then the current code causes those pages to be leaked. Call putpage on the pages before returning...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: In statmountstring, most flags assign an output offset pointer offp, which is later updated with the string offset. However, in the cases of STATMOUNTMNTUIDMAP and STATMOUNTMNTGIDMAP, the struct fields are directly set instead of...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: net: stmmac: fixed an issue with left shift overflow in DMA queues When the queue number is greater than 4, left shift overflows due to the 32-bit integer variable used in calculations. The mask calculation for MTLRXQDMAMAP1 i...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: powerpc/paprscm: Fixed the issue where elements of nvdimmeventsmap were leaking during calls to paprscmpmucheckevents, paprscmremove, and paprscmpmuregister. Additionally, the error paths in paprscmpmucheckevents were correcte...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: RDMA/hfi1: Prevent the use of a lock before it is initialized. If a failure occurs during the probe of hfi1 before the sdmamaplock is initialized, the call to hfi1freedevdata will attempt to use a lock that has not been...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Fix potential AB/BA lock issue with buffermutex and mmaplock The syzbot tool detected a potential deadlock between the runtime-buffermutex and the mm-mmaplock. This issue arose due to the recent fix related to racy...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/vmwgfx: Fixed the lifetime of the bo cursor memory. Cleanup operations can be performed while the atomic update is still active. This means that the memory acquired during the atomic update does not need to be invalidated ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: BPF: Use VMMAP instead of VMALLOC for the ringbuf area. After the commit 2fd3fb0be1d1 “KASAN, vmalloc: Unpoison VMALLOC pages after mapping”, non-VMALLOC mappings will be marked as accessible in getvmareanode when KASAN is enable...

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/lima: fixed a memory leak in limaheapalloc. When limavmmapbo fails, the resources need to be deallocated; otherwise, memory leaks will occur...