Astra Linux – Vulnerability in binutils

There is a memory leak issue in the Binary File Descriptor BFD library also known as libbfd within the GNU Binutils 2.34, specifically in the bfdhashlookup function. This issue can lead to a denial of service attack through a specially crafted file...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: The UAF issue in ksmbdtcpnewconnection has been fixed. The race that occurs is between the process of handling a new TCP connection and its disconnection. This causes a UAF error in the struct tcptransport structure within...

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: The issue involves bcm: adding missing rcu read protection for procfs content. When the procfs content is generated for a bcmop that is about to be removed, the procfs output might display unreliable data UAF. Since the removal o...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: nvme: fixed the SRCU protection for the nvmenshead list The process of walking the nvmenshead siblings list is protected by the head’s srcu in nvmensheadsubmitbio, but not in nvmempathrevalidatePaths. Removing namespaces from...

Astra Linux – Vulnerability in Chromium

Before version 150.0.7871.47, using free after in SSL in Google Chrome on ChromeOS allowed a remote attacker to obtain potentially sensitive information from process memory through a crafted HTML page. Chromium security severity: Low...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: sched/core: A use-after-free bug has been fixed in dupusercpusptr. Since the commit 07ec77a1d4e8 “sched: Allows task CPU affinity to be restricted on asymmetric systems”, the setting and clearing of usercpusptr are performed unde...

Astra Linux – Vulnerability in Apache2

The “Use After Free” vulnerability in the Apache HTTP Server module modhttp2 occurs when file handles are already exhausted. This issue affects Apache HTTP Server versions 2.4.55 through 2.4.67...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: dax: Fixed the issue where daxmappingrelease was called after the free operation. A test using CONFIGDEBUGKOBJECTRELEASE to remove a device-related dax region e.g., using modprobe -r daxhmem results in the following output:...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm/i915: Fixed potential context UAFs. The gemcontextregister function makes the context visible to user space, and a separate thread can trigger the I915GEMCONTEXTDESTROY ioctl command. Therefore, we need to ensure that...

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: The can: bcm code allows for the deferring of the rxop deallocation to the workqueue to fix a thrtimer UAF. The commit f1b4e32aca08 “can: bcm: use callrcu instead of the costly synchronizercu” replaces the synchronizercu in...

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

In the Linux kernel, the following vulnerability has been resolved: md/raid10: fixed the memory leak related to ‘conf-biosplit’. In the error path of raid10run, ‘conf’ needs to be freed. However, ‘conf-biosplit’ is not freed, resulting in a memory leak. Since there are three places where ‘conf’...

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: net: hsr: The operation of freeing the node table is deferred until after the RCU readers are called. Generic-netlink operations for hsrnodelist and hsrnodestatus are executed under rcureadlock. These operations iterate through...

Astra Linux – Vulnerability in Chromium

The use of after-free in Chromoting within Google Chrome before version 152.0.7977.65 allowed a remote attacker to potentially execute arbitrary code outside the sandbox through crafted network traffic. Chromium security severity: Medium...

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: bus: fsl-mc: fix double-free on mcdev The committed code attempted to simplify the process of deallocations, but this led to a double-free on the mcdev variable. If the MC device is a DPRC, a new mcbus is allocated, and the mcdev...

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: vsock/virtio: Avoid re-filling the RX queue after teardown. The commit b917507e5ad9 vsock/virtio: Stop workers during .remove made the RX worker jump to its common exit when rxrun is cleared. However, that exit still re-fills the...

Astra Linux – Vulnerability in Chromium

The use of “after free” in the UI of Google Chrome before version 150.0.7871.182 allowed a remote attacker who convinced a user to perform certain UI gestures to potentially exploit heap corruption through a crafted HTML page. Chromium security severity: High...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ACPICA: Fixed a use-after-free in acpiutcopyipackagetoipackage. There is a use-after-free reported by KASAN: BUG: KASAN: use-after-free in acpiutremovereference+0x3b/0x82 Reading of size 1 at addr ffff888112afc460 by task...

Astra Linux – Vulnerability in Chromium

Before version 91.0.4472.77, using free after in WebRTC in Google Chrome allowed a remote attacker to potentially exploit heap corruption through a crafted SCTP packet...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: objtool: A memory leak has been fixed in the createStaticcallsections function. strdup allocates memory for keyname. We need to release this allocated memory in the following error-prone code paths. Add free to avoid the memory...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: cxl/port: Hold a reference to the port until the decoder is released. KASAN + DEBUGKOBJECTRELEASE reports a potential use-after-free in cxldecoderrelease. This function references its parent object, a cxlport, to free its id back...