Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: crypto: hisilicon/sec - don't sleep when in softirq When kunpeng920 encryption driver is used to deencrypt and decrypt packets during the softirq, it is not allowed to use mutex lock. The kernel will report the following error:...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: UDF: Detection of system inodes linked into the directory hierarchy When the UDF filesystem is corrupted, hidden system inodes may be linked into the directory hierarchy. This can lead to further serious corruption of the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: - net: tls: Fixed a use-after-free issue related to partial reads and async decryption operations. tlsdecryptsg does not take a reference to the pages from clearskb. Therefore, the putpage function in tlsdecryptdone releases...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: PCI: Free releases resources after coalescing. The releaseresource function does not actually free the resource or the resource list. To avoid a leak, the resource list entry is freed instead...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: RCU: Protect access to rcuprinttaskexpstall - exptasks For kernels built with CONFIGPREEMPTRCU=y, the following scenario can result in a NULL pointer dereferencing: c CPU1 CPU2 rcupreemptdeferredqsirqrestore rcuprinttaskexpstall ...

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

In the Linux kernel, the following vulnerability has been resolved: ipv6: A buffer overflow vulnerability has been addressed in ipv6findtlv. The value of optlen is retrieved without checking whether there are more than one bytes to parse. This can lead to a buffer overflow attack. This issue was...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Timekeeping: The leap state of the auxiliary timekeeper must be adjusted to the correct value. When the doajdtimex function was introduced to handle adjtimex for any timekeeper, this reference to tkcore was not updated. When this...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: KVM: arm64: Fixed a shift-out-of-bounds bug Fixed a shift-out-of-bounds bug reported by UBSAN when running VMs with MTE enabled on host kernels. UBSAN: Shift-out-of-bounds in arch/arm64/kvm/sys regs.c:1988:14 The shift exponen...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm: Check that output polling is initialized before disabling it. In drmkmshelperpolldisable, check that output polling is initialized before disabling polling. If not, flag this as a warning. Additionally, in...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: BPF: Protection against integer overflows for stack access sizes This patch reintroduces protection against access to stack memory having a negative value. The access size can appear negative due to overflow in its signed integer...

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: vfio/pci: Disabled the automatic enable of exclusive INTx/IRQs. Currently, for devices that require masking at the irqchip for INTx, i.e., devices without DisINTx support, the IRQ is enabled in the requestirq function, and then...

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: comedi: vmk80xx: fixed incomplete endpoint checking While vmk80xx does have endpoint checking implemented, some issues may still go unnoticed. Depending on the hardware model, URBs can have either bulk or interrupt types, and the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Fork: Defer linking of the vma file until vma is fully initialized. Thorvald reported a WARNING 1. The root cause of the issue lies in a race condition: - CPU 1: fork; - CPU 2: hugetlbfsfallocate; - dupmmap: hugetlbfspunchhole...

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

In the Linux kernel, the following vulnerability has been resolved: Input: synaptics-rmi4 – fixed the use of memory after it is freed in rmiunregisterfunction. The putdevice function calls rmireleasefunction, which frees the “fn” pointer. Therefore, dereferencing fn-numofirqs in the next line...

Astra Linux – Vulnerability in Linux 5.15

A issue was discovered in the Linux kernel before version 6.3.4. ksmbd has a buffer overflow vulnerability in the smb2findcontextvals function, when the namelen of createcontext is larger than the length of the tag...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: vhost-vdpa: fixed the use of memory after it is freed in vhostvdpaprobe. The putdevice function calls vhostvdpareleasedev, which in turn calls idasimpleremove and frees the variable “v”. Therefore, this call to idasimpleremove...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs: The code checks contexts-nr before accessing contextsarr0. Multiple sysfs command paths dereference contextsarr0 without first verifying that kdamond-contexts-nr == 1. A user can set nrcontexts to 0 via sysfs whil...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Do not log keys during SMB3 signing and encryption key generation. When the KSMBDDEBUGAUTH logging option is enabled, the functions generatesmb3signingkey and generatesmb3encryptionkey log the bytes of the session, signing...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/i915/hdcp: Added a check for the encoder in intelhdcpgetcapability. Sometimes during hotplug scenarios or suspend/resume scenarios, the encoder may not be initialized properly. To prevent null pointer dereferencing in the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ubi: Fixed the UAF Use-After-Free issue in the wear-leveling entry of eraseblkcountseqshow. The wear-leveling entry could be freed during an error-prone path, and this entry might be accessed again in eraseblkcountseqshow, for...