Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: cxl/pmem: Fixed leaks in cxlpmemregion and cxlmemdev. When a cxlnvdimm object undergoes an -remove operation where the device is physically removed, nvdimmbridge is disabled, or the nvdimm device is disabled, any associated...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: cxl/port: Fixed the use of parentport after freeing it in cxldetachep. The cxldetachep function is called during the bottom-up removal process when all CXL memory devices beneath a switch port have been removed. For each port ...

Astra Linux – Vulnerability in Linux 5.10, Linux

A flaw was discovered in the Linux kernel. A denial-of-service attack may occur if a consecutive request for NVMEIOCTLRESET and NVMEIOCTLSUBSYSRESET is made through the device file of the driver, resulting in a disconnection of the PCIe link...

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

In the Linux kernel, the following vulnerabilities have been resolved: mac802154: fixed the issue where key resources were released in mac802154llseckeydel. The mac802154llseckeydel function can free resources associated with a key directly, without following the RCU rules for waiting before the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: media: i2c: hi846: A memory leak has been fixed in hi846parsedt. If any of the checks related to the supported link frequencies fail, then the V4L2 fwnode resources do not get released before returning, resulting in a memory leak...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Block layer: Fixed a deadlock between bdlinkdiskholder and partitionscan. The openmutex of gendisk is used to protect the opening and closing of block devices. However, in bdlinkdiskholder, it is used to protect the creation of...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net: Prevent a NULL dereference in rtnlcreatelink. When rtnlcreatelink is running, dev-netdevops is NULL. We must not use netdevlockops, as it may lead to a NULL dereference if CONFIGNETSHAPER is defined. Instead, use...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: use rcu-safe version of ipv6getlladdr Some time ago, 8965779d2c0e "ipv6,mcast: always hold idev-lock before mcalock" switched ipv6getlladdr to ipv6getlladdr, which is a rcu-unsafe version. This was acceptable, as...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: mwifiex: The link must be brought down before the interface is deleted. We can encounter a deadlock situation when using rmmod to remove a driver or during firmware reset. This is because the cfg80211unregisterwdev function mu...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: mcc: preventing shift wrapping in rtw89coremlsrswitch The value of “linkid” comes from the user via debugfs. If it is larger than BITSPERLONG, it will result in shift wrapping, potentially leading to out-of-bounds...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: ice: Fixed the LAG and VF lock dependencies in iceresetvf. The commit fixes the issue where the ice driver acquires the LAG mutex during iceresetvf. This lock acquisition is placed just before acquiring the VF configuration...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/i915/vrr: Configure VRR timings after enabling TRANSDDIFUNCCTL It appears that the ICL may hang when using an MCE if we set TRANSVRRVMAX/FLIPLINE before enabling TRANSDDIFUNCCTL. Personally, I was only able to reproduce such ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: PCI: Fixed the link speed calculation in case of retrain failures. When pciefailedlinkretrain fails to retrain, it attempts to revert to the previous link speed. However, it calculates this speed from the Link Control 2 regist...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bpf: Support deferring bpflink deallocation to after RCU grace period For some program types, the “bpflink” is passed as a “context” that can be used by those BPF programs to retrieve additional information. For example, for...

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

A use-after-free flaw was discovered in the nfcllcpfindlocal function in net/nfc/llcpcore.c within NFC in the Linux kernel. This flaw allows a local user with special privileges to cause a kernel information leak issue...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: core: Fix invalid probe error return value After the DME Link startup, the error return value is set to the MIPI UniPro GenericErrorCode, which can be either 0 SUCCESS or 1 FAILURE. During a driver probe, an error code...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: wifi: ath12k: Avoid accessing uninitialized arvif-ar during beacon missed situations. During beacon missed handling, the ath12k driver iterates over active virtual interfaces vifs and attempts to access the radio object ar via...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: iwlwifi: mvm – Use IWLFWCHECK for link ID checking The lookup function iwlmvmrcufwlinkidtolinkconf is typically called with inputs from the firmware. Therefore, it should use IWLFWCHECK instead of WARNON...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: iwlwifi: Fixed a potential use of the object “link” after it is freed in the function iwlmldremovelink. This code frees “link” by calling kfreerculink, rcuhead, and then it dereferes “link” to obtain “link-fwid”. Save...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: cxl/region: Fixed the validation of region HPA ordering. Some regions may not have any address space allocated. Skip these regions when validating HPA order; otherwise, a crash similar to the following may occur: devmcxladdregion...