Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ext4: fixed a warning in ext4iomapbegin due to a race between bmap and write The issue occurs as follows: ------------ cut here ------------ WARNING: CPU: 3 PID: 9310 at fs/ext4/inode.c:3441 ext4iomapbegin+0x182/0x5d0 RIP:...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: fixed a race condition between quota rescan and disabling quotas, which could lead to a NULL pointer derefrence. If one task attempts to start the quota rescan worker while another task attempts to disable quotas, we can e...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: mm/hugetlb: fixed a situation where the kernel NULL pointer dereference occurred when replacing free hugetlb folios. A kernel crash was observed when replacing free hugetlb folios: BUG: kernel NULL pointer dereference, address...

Astra Linux – Vulnerability in Linux 5.10

In TBD of TBD, there is a potential use-after-free due to a race condition. This could lead to a local escalation of privileges in the kernel, as execution privileges are required. User interaction is not necessary for exploitation. Product: Android Versions: Android kernel Android ID: A-21951397...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: phy: lynx-28g: Serialize concurrent physetmodeext calls to shared registers The protocol converter configuration registers PCC8, PCCC, and PCCD implemented by the driver control protocol converters across multiple lanes. Each lan...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fs/proc/taskmmu: The issue of losing the “young/dirty” bits during the pagemap scan has been fixed. The function makeuffdwpwppte used to perform these operations was previously executed as follows: c pte = ptepgetptep;...

Astra Linux – Vulnerability in Linux, Linux 5.10

A use-after-free flaw was discovered in the Linux kernel’s Bluetooth subsystem. In this flaw, users can simultaneously call the connect and disconnect functions on the socket, leading to a race condition. This flaw may cause the system to crash or allow an escalation of privileges. The most...

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: nilfs2: A bug has been fixed where nilfsgetblock returns a successful status when searching for and inserting the specified block both times fail inconsistently. If this inconsistent behavior is not due to a previously fixed bug,...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: md: Avoid repeated calls to delgendisk. There is a UAF Uninitialized Address Fault issue that was detected during case 23rdev-lifetime. Oops: General Protection Fault; likely due to a non-canonical address of 0xdead000000000122...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: XArray: Fixed the issue with xascreaterange when a multi-index entry is present. If there is already an entry present that is of order = XACHUNKSHIFT when we call xascreaterange, xascreaterange will misinterpret that entry as a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net/smc: fixed NULL dereferencing and use-after-free in smctcpsynrecvsock. Syzkaller reported a panic in smctcpsynrecvsock. The smctcpsynrecvsock function is called in the TCP receive path softirq via icskafops-synrecvsock on...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: Avoid using hcidevtestandsetflag in mgmtinithdev. syzbot is once again reporting attempts to cancel uninitialized operations at mgmtindexremoved. The sequence of operations—setting the HCIMGMT flag from mgmtinithdev...

Astra Linux – Vulnerability in Linux 5.10, Linux

A flaw was discovered in the Linux kernel’s Layer 2 Tunneling Protocol L2TP. Clearing the skuserdata can result in a race condition and NULL pointer dereferencing. A local user could exploit this flaw to potentially crash the system, causing a denial of service...

Astra Linux – Vulnerability in Linux

The file net/bluetooth/hcirequest.c in the Linux kernel, up to version 5.12.2, contains a race condition related to the removal of the HCI controller...

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

A race condition was detected in the Linux kernel’s net/bluetooth in the conn,advmin,maxintervalset function. This can lead to issues with I2cap connections or broadcasts, potentially causing denial of service...

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: ipv6: fixed a race condition between ipv6getifaddr and ipv6deladdr Although ipv6getifaddr operates under the RCU lock, it still allows hlistforeachentryrcu to return an item that has already been removed from the list. The memory...

Astra Linux – Vulnerability in Linux, Linux 5.10

A vulnerability has been identified in the Linux kernel and is classified as problematic. This vulnerability affects the function inet6streamops/inet6dgramops of the IPv6 Handler component. The vulnerability causes a race condition. It is recommended that a patch be applied to address this issue...

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: pmdomain: mediatek – A race condition with genpd has been fixed. If the power domains are first registered with genpd, and then the driver attempts to power them on during the probe sequence, it is possible for a race condition t...

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

In the Linux kernel, the following vulnerability has been resolved: wifi: ath6kl: The severity of the WARN message has been reduced to be sent via devdbg in the callback. The WARN message is triggered due to a known race condition, which is documented in the code above. This issue is now properly...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uSerial: Added a null pointer check in gserialresume. Consider a scenario where gserialdisconnect has already cleared gser-ioport. If a wakeup interrupt is triggered later, gserialresume will be called, which will...