Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: PCI/DOE: Fixed the race involving destroyworkonstack. The following debug object splat was observed during testing: ODEBUG: Freeing an active object active state 0: 0000000097d23782; Object type: workstruct; Hint:...

Astra Linux – Vulnerability in Linux

A race condition in Linux kernel SCTP sockets net/sctp/socket.c before version 5.12-rc8 can lead to kernel privilege escalation from the context of a network service or an unprivileged process. If the sctpDestroySock function is called without using the socknetsk-sctp.addrwqlock lock, an element...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/damon/core: A potential memory leak was fixed by cleaning the opsfilter variable in damonDestroyScheme. Currently, damonDestroyScheme only cleans up the filter list but leaves opsfilter untouched. This could lead to memory lea...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Fixed a memory leak in kvmeiointcdestroy. In kvmioctlcreatedevice, kvmdevice allocates memory. kvmdevice-destroy seems to be supposed to free up the kvmdevice structure, but kvmeiointcDestroy does not do this...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: dm thin: Fixed a UAF in runtimersoftirq When dmresume and dmdestroy are executed concurrently, it will lead to a UAF, as follows: Bug: KASAN: Use-after-free in runtimers+0x173/0x710 A 8-byte value is written to the address...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: Fixed the issue with rcudereferenceprotected. When destroying all sets, we are either in the pernetexit phase or executing a “destroy all sets” command from user space. The latter was taken into account in...

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

In the Linux kernel, the following vulnerabilities have been resolved: gtp: Fixed a use-after-free in gtpencapdestroy. syzkaller reported a use-after-free in gtpencapdestroy. The same process freed “sk” and accessed it illegally. The commit e198987e7dd7 “gtp: fix suspicious RCU usage” added...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/panthor: Prevent potential UAF Use After Free issues during group creation. This commit addresses the issue where a malicious user space could potentially alter the handle of a group and attempt to call the GROUPDESTROY ioctl...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: fs: The UAF/GPF bug in nilfsmdtdestroy has been fixed. In allocinode, if inodeinitalways fails, it may return -ENOMEM. This failure causes inode-iprivate to remain uninitialized. As a result, nilfsismetadatafileinode returns true...

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

In the Linux kernel, the following vulnerability has been resolved: VMCI: Fixed a use-after-free issue when removing a resource in vmciresourceremove. When removing a resource from vmciresourcetable in vmciresourceremove, the search for the resource is performed by comparing the context and...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: RDMA/bnxtre: Prevents handling of any completions after the QP Queue Pairing is destroyed. The hardware may generate completions that indicate the QP has been destroyed. The driver should not schedule any completion handlers for...

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: nvme-fc: Do not wait in vain when unloading the module. There is a race condition in the module exit path, where the process tries to delete all controllers and free up the “leftover IDs”. To prevent double-freeing of resources, ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: Fixed the memory leak associated with xarray nodes. If the xassplitalloc function fails to allocate the necessary nodes to complete the splitting of the xarray entries, it sets the xastate to -ENOMEM. This triggers...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: octeontx2-pf: Fixed use-after-free bugs in otx2synctstamp. The original code relies on canceldelayedwork in otx2ptpDestroy, which does not ensure that the delayed work item synctstampwork has fully completed if it was already...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/amdkfd: Fixed error handling in kfdprocessdeviceinitvm It is necessary to only destroy the ibmem and let the process cleanup worker free the outstanding BOs. Reset the pointer in the pdd-qpd structure to avoid NULL pointer...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: cifs: fixed the potential use of a null pointer in destroyworkqueue within the error path of initcifs. Dan Carpenter reported a Smack static checker warning: fs/smb/client/cifsfs.c:1981 initcifs Error: We previously assumed th...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/mediatek: Added functions to register and unregister callback functions for the vblank register. We encountered a kernel panic issue where callback data would become NULL when used in the ovl irq handler. There is a timing...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: The issue of destroying KFD debugfs after destroying KFD wq has been addressed. Since the KFD proc content was moved to the kernel debugfs, we cannot destroy KFD debugfs before calling kfdprocessDestroywq. Moving...

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

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nfnetlinkqueue: acquire rcureadlock in instanceDestroyrcu syzbot reported that nfreinject could be called without rcureadlock: WARNING: suspicious RCU usage 6.9.0-rc7-syzkaller-02060-g5c1672705a1a 0 Not tainted...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: - dm cache: Fixed a UAF Use-after-Allocation issue in the destroy function. - Dmcache also has the same UAF problem when dmresume and dmdestroy are executed concurrently. Therefore, the timer is canceled again in the destroy...