Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: perf: hisi: Fixed a use-after-free when attempting to register the uncore PMU. When we fail to register the uncore PMU, the PMU context may not be allocated. Handling this error will involve calling cpuhpstateremoveinstance, whic...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: vdpasim: A possible memory leak was fixed in vdpasimnetinit and vdpasimblkinit. When a fault is injected while probing a module, if deviceregister fails in vdpasimnetinit or vdpasimblkinit, and the refcount of kobject is not...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: hwmon: ibmpex Fixed a potential UAF condition when ibmpexregisterbmc fails. A warning message was generated as follows: drivers/hwmon/ibmpex.c:509: Error message from ibmpexregisterbmc: “&data-list” was not removed from the list...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iommu/mediatek: Fixed NULL pointer dereferencing when printing devname When larbdev is NULL in the case I encountered, the node is incorrectly set as iommu = &iommu NUM, it will cause devicelinkadd to fail and the kernel to crash...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: Reverted the behavior from “scsi: core: Do not increase scsidevice’s iorequestcnt if dispatch failed”. The use of “atomicinc&cmd-device-iorequestcnt” in scsiqueuerq could cause kernel panic, as cmd-device might be freed aft...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iouring/rw: Potential allocated iovec in the cache may be freed after a failure. If a read/write request passes through ioreqrwcleanup, and an allocated iovec is attached to the request but fails to be placed into the rwcache, it...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iouring: fail cancellation for EXITING tasks WARNING: CPU: 1 PID: 20 at fs/iouring.c:6269 iotrycanceluserdata+0x3c5/0x640 fs/iouring.c:6269 CPU: 1 PID: 20 Comm: kworker/1:0 Not tainted 5.16.0-rc1-syzkaller 0 Workqueue: events...

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

In the Linux kernel, the following vulnerability has been resolved: drm/amd/pm: fixed a double-free in sidpminit When the allocation of adev-pm.dpm.dynstate.vddcDependenceondispclk.entries fails, amdgpufreeextendedpowertable is called to free some fields of adev. However, when the control flow...

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 found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: HID: i2c-hid-of: fix NULL dereference on failed power-up Some time ago, the I2C HID implementation was split into an ACPI and OF part. However, the new OF driver never initializes the client pointer, which is dereferenced in case...

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

In the Linux kernel, the following vulnerability has been resolved: perf/core: Abrupt exit if the requested AUX area is out of bounds. When using perf-record with a large AUX area, for example 4GB, the following error occurs: bash perf record -C 0 -m ,4G -e armspe0// -- sleep 1 Failed to mmap wit...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: The release path occurs before igetfailed in btrfsreadlocked inode. In btrfsreadlocked inode, if we fail to look up the inode, we jump to the ‘out’ label with a path that has a read-locked leaf. Then, we call igetfailed...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Bonding: Fixed a use-after-free due to an enslave failure after updating the slave array. This issue occurs because the new slave can be used immediately after being added to the array. Since the new slave can be used for...

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

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: fixed a double-free in arfscreategroups. When the memory allocated by kvzalloc fails, arfscreategroups will free ft-g and return an error. However, arfscreatetable, the only function calling arfscreategroups, will...

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: scsi: snic: Fixed a possible memory leak if deviceadd fails. If deviceadd returns an error, the name allocated by devsetname needs to be freed. As noted in the comments for deviceadd, putdevice should be used to release the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: gadget: Bail out from dwc3gadgetexit if dwc-gadget is NULL. There exists a possible scenario in which dwc3gadgetinit may fail: during the switch between peripheral and host modes in dwc3setmode, and if a pending gadget...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/rxe: Fixed a NULLptrderef in rxeqpdocleanup, when socket creation fails. There is a NULLptrderef in the mount.cifs operation over RDMA: - BUG: KASAN: NULLptrderef in rxeqpdocleanup+0x2f3/0x360 rdmarxe - Reading of a 8-byt...

Astra Linux – Vulnerability in libvirt

A improper locking issue was detected in the virStoragePoolLookupByTargetPath API of libvirt. This issue occurs in the storagePoolLookupByTargetPath function, where a locked virStoragePoolObj object is not properly released in case of an ACL permission failure. Clients connecting to the read-writ...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: cxl: fixed a possible null-ptr-deref in cxlguestinitafu|adapter. If deviceregister fails in cxlregisterafu|adapter, the device is not added. In this case, deviceunregister cannot be called in the error path. Otherwise, a...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: Firmware: armscpi: Ensure that scpiinfo is not assigned if the probe fails. When the scpi probe fails at any point, we need to ensure that scpiinfo is not set and will remain NULL until the probe succeeds. If this issue is not...