Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: cxl/ras: Fixed the device confusion related to the CPER handler. Upon inspection, the cxlcperhandleproterr function makes several fragile assumptions that can lead to crashes: 1. It assumes that the endpoints identified in the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: sfc: fixed a deadlock in the RSS config read operation. Since the referenced commit, core locked the rsslock of netdevice when handling the ethtool -x command. Therefore, the driver’s implementation should no longer lock it. Remo...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Media: MediTech: vcodec: Fixed an oops when HEVC initialization fails. The stateless HEVC decoder saves the instance pointer in the context, regardless of whether the initialization succeeded or not. This caused a use-after-fr...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: xhci: sideband: do not dereference a freed ring when removing a sideband endpoint. xhcisidebandremoveendpoint incorrectly assumes that the endpoint is running and has a valid transfer ring. Lianqin reported a crash during...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fixed a race condition during IPSec ESN update. In IPSec full offload mode, the device reports an ESN Extended Sequence Number wrap event to the driver. The driver validates this event by querying the IPSec ASO and...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: x86/ioremap: Maps EFI-reserved memory as encrypted for SEV. Some drivers require memory that is marked as EFI boot services data. To prevent this memory from being reused by the kernel after ExitBootServices, efimemreserve is use...

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: lib/testkho: Check whether KHO is enabled. We must check whether KHO is enabled before issuing KHO commands; otherwise, the KHO internal data structures will not be initialized...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: linkwatch: Use devput in the callers to prevent UAF. After linkwatchdodev calls devput to release the linkwatch reference, the device’s refcount may drop to 1. At this point, netdevruntodo can proceed since linkwatchsyncdev sees ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: rtc: class: Fixed a potential memory leak in devmrtcallocatedevice devmrtcallocatedevice will first allocate an rtcdevice, and then call devsetname. If devsetname fails, the rtcdevice will cause a memory leak. We’ve moved...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ubifs: renamewhiteout: Fixed double-free of whiteoutui-data The variable whiteoutui-data will be freed twice if the space allocation fails during the rename operation. The process is as follows: 1. renamewhiteout: - dev = kmalloc...

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: pstore/zone: Added a null pointer check to pszkmsgread. The kasprintf function returns a pointer to dynamically allocated memory; this pointer may be NULL in case of failure. Ensure that the allocation was successful by checking...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: core: Fixed a race condition between ufshcdmcqabort and the ISR. If a command timeout occurs and the cq complete IRQ is raised at the same time, ufshcdmcqabort clears the lprb-cmd, and a NULL pointer dereferencing occu...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: platform/x86: think-lmi: Fixed reference leak If a duplicate attribute is found using ksetfindobj, a reference to that attribute is returned, and this reference needs to be disposed of using kobjectput. The validation of the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ax25: Fixed the netdev refcount issue. The devtracker has been added to ax25cb in ax25bind. When the ax25 device is detached, the devtracker of ax25cb should be deallocated in ax25killbydevice, instead of the devtracker of...

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

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Fixed some memory leaks in gssxdecoptionarray. The creds and oa-data fields need to be freed during error-handling processes after they are allocated. Therefore, this patch adds the necessary deallocation operations in th...

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: NFSv4.2: fixed the NFSv4.2 kernel bug at mm/usercopy.c:102 Calling listxattr with a buffer size of 0 returns the actual size of the buffer required for a subsequent call. When size 0, nfs4listxattr does not return an error becaus...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: The inode is marked as “bad” as soon as an error is detected using the mienumattr function. The interface of the miEnumAttr function was extended by adding an additional parameter, struct ntfsinode ni. This allows the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Revert “f2fs: block cache/dio write during f2fsenablecheckpoint”. This revert commits 196c81fdd438f7ac429d5639090a9816abb9760a. The original patch might cause a deadlock; revert it. write remount - writebegin - lockpage --- lock ...