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: Issue: unittest – Fix null pointer dereferencing in ofunittestfindnodebyname. Description: When kmalloc fails to allocate memory in kasprintf, variables like name or fullname will be NULL. In this case, strcmp will cause a null...

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: drm/amd/display: Fixed potential NULL pointer dereferences in dcn10setoutputtransferfunc. The stream pointer is used in dcn10setoutputtransferfunc before checking whether stream is NULL. The issue was fixed in:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: f2fs: fixed to avoid NULL pointer dereferencing in f2fscheckquotaconsistency. The syzbot reported the following f2fs bug: Oops: gen 107.736417T5848. Oops: general protection fault, likely due to a non-canonical address...

Astra Linux – Vulnerability in Linux 5.10, Linux

There is a speculative pointer dereferencing issue in the Linux kernel, specifically with the doprlimit function. The value of the resource argument is controlled and is used in pointer arithmetic for the ‘rlim’ variable. This can lead to the leakage of its contents. We recommend upgrading to 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: MIPS: KVM: Fix for NULL pointer dereferencing After committing change 45c7e8af4a5e3f0bea4ac209 “MIPS: Remove KVMTE support”, we encountered a NULL pointer dereferencing issue when creating a KVM guest: 146.243409 Starting KVM wit...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Networks: Ethernet: mtkppe: Avoid NULL dereferencing when gmac0 is disabled. If gmac0 is disabled, the precheck for a valid ingress device will cause a NULL pointer dereferencing, leading to a system crash. This occurs because...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: PM: EM: Fixed NULL pointer dereferencing when the perf domain ID is not found. The devenergymodelnlgetperfdomainsdoit function calls emperfdomaingetbyid, but it does not check the return value before passing it to emnlgetpdsize...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mptcp: fixed the NULL pointer dereferencing issue in the early fallback to fastopen. In the event of an early fallback to TCP, subflowsynrecvsock deletes the subflow context before returning the newly allocated socket to the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: - ice: xsk: disabling TXQ interrupts before flushing hardware settings. - iceqpdis attempts to stop a given queue pair that is a target of xsk pool attach/detach. One of the steps involved disabling interrupts on these queues...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: nbd: The function genlunregisterfamily is called first in nbdcleanup. Otherwise, there may be a race between the removal of the module and the handling of the netlink command, which can lead to an oops as shown below: BUG: Kernel...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: i40e: Fixed NULL pointer dereferencing in VSI filter synchronization. The issue of NULL pointer dereferencing in sync VSI filters has been eliminated. A new I40EVSIRELEASING flag was added to indicate the deletion and release of...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: net/tunnel: Wait until all skuserdata readers complete their operations before releasing the sock. There is a race condition in vxlan where, when deleting a vxlan device during packet reception, there is a possibility that the so...

Astra Linux – Vulnerability in Linux 5.10, Linux

A NULL pointer dereference flaw exists in the diFree function in the fs/jfs/inode.c file of the Journaled File System JFS in the Linux kernel. This flaw could allow a local attacker to crash the system or leak internal kernel information...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: pinctrl: mediatek: eint: Fixed invalid pointer dereferencing for v1 platforms The commit 3ef9f710efcb “pinctrl: mediatek: Added EINT support for multiple addresses” introduced an access to the ‘soc’ field of the struct mtkpinctrl...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/rxe: Fixed the “kernel NULL pointer dereference” error. When the rxequeueinit function in the rxeqpinitreq function fails, both qp-req.task.func and qp-req.task.arg are not initialized. Due to the failure in creating the...

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

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fixed a NULL pointer dereferencing issue in gfs2rgrpdump. Syzkaller reported a NULL pointer dereferencing issue when accessing rgd-rdrgl in gfs2rgrpdump. This can occur when creating rgd-rdgl fails in readrindexentry. A NUL...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: media: ipu3imggu: Fixed NULL pointer dereferencing in active selection access. The IMGu driver handled this by first acquiring the pointers to the active devices, then attempting to use V4L2 subdev functions. Only after that did ...

Astra Linux – Vulnerability in binutils

A NULL pointer dereference also known as SEGV at an unknown address 0x000000000000 was discovered in the workstuffcopytofrom function in cplus-dem.c within GNU libiberty, as part of the GNU Binutils 2.30 distribution. This issue can occur during the execution of objdump...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ATA: libata-transport: fixed the double call to atahostput in atatportadd In the error path in atatportadd, when calling putdevice, atatportrelease is called. This function decreases the refcount of ‘ap-host’. Then, atahostput is...

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

A race condition was detected in the Linux kernel’s sound/hda device driver, specifically in the sndhdacregmapsync function. This can lead to a null pointer dereferencing issue, potentially causing a kernel panic or a denial-of-service attack...