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...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: xfrm: The issue related to re-scheduling work after cancellation in xfrmnatkeepalivenetfini has been fixed. After the canceldelayedworksync function is called from xfrmnatkeepalivenetfini, xfrmstatefini flushes the remaining stat...

Astra Linux – Vulnerability in Samba

A flaw was discovered in Samba. A race condition in the password lockout code may lead to the risk of brute-force attacks succeeding if certain conditions are met...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Thermal: The race that occurs during the removal of the thermal zone during resume can be avoided. Since thermalzonepmComplete and thermalzonedeviceresume reinitialize the delayed work of pollqueue for the given thermal zone,...

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

A “use-after-free” vulnerability in the Linux kernel’s ipv4:igmp component can be exploited to achieve local privilege escalation. A race condition can also be exploited, causing a timer to be mistakenly registered on a RCU read-locked object that is then freed by another thread. We recommend...

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

In the Linux kernel, the following vulnerabilities have been resolved: USB: core: Fixed a race condition by not overwriting udev-descriptor in hubportinit. Syzbot reported an out-of-bounds read in sysfs.c:readdescriptors: BUG: KASAN: Out-of-bounds reading in readdescriptors+0x263/0x280,...

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

A issue was discovered in the Linux kernel before version 6.6.8. The dovccioctl function in net/atm/ioctl.c has a use-after-free issue due to a race condition involving vccrecvmsg...

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

A race condition was detected in the Linux kernel’s DRM/Exynos device driver, specifically in the exynosdrmcrtcatomicdisable function. This can lead to a null pointer dereferencing issue, which may potentially cause a kernel panic or a denial of service condition...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ublk: Fixed a race condition between iouringcmdcompleteintask and ublkCancelCmd. The ublkCancelCmd function calls iouringcmdDone to complete the uring command. However, we might have scheduled task operations via...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: dm ioctl: This issue is fixed if the listversions function races with the module loading process. listversions will first estimate the required space using the dmtargetiteratelistversiongetneeded, &needed call, and then fill that...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Block: Fix for a race condition between wbtenabledefault and IO submission. When wbtenabledefault is executed outside of the queue freezing mechanism in elevatorchange, it can cause the wbt inflight counter to become negative -1,...

Astra Linux – Vulnerability in Linux, Linux 5.10

A memory flaw after deallocation was discovered in the Linux kernel’s garbage collection for Unix domain socket file handlers. This flaw occurs when users call close and fget simultaneously, potentially triggering a race condition. This flaw allows a local user to crash the system or escalate the...

Astra Linux – Vulnerability in Qemu

A “off-by-one” read/write issue was identified in the SDHCI device of QEMU. This issue occurs when reading/writing the Buffer Data Port Register using the sdhcireaddataport and sdhciwritedataport functions, specifically when datacount == blocksize. A malicious guest could exploit this flaw to cra...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: platform/chrome: crosecuart: properly fixed the race condition The crosecuartprobe function calls devmserdevdeviceopen before calling serdevdevicesetclientops. This can lead to a NULL pointer dereference: BUG: NULL pointer...

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

A issue was discovered in the Linux kernel before version 6.2.9. A use-after-free was found in the bq24190remove function in the file drivers/power/supply/bq24190charger.c. This could allow a local attacker to cause the system to crash due to a race condition...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: shaper: Protection against late creation of hierarchies. We retrieve the netdev during the preparation of Netlink operations before callbacks. We then take a reference to it. Later, within the body of the callback, we acquir...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: can: gsusb: fix time stamp counter initialization If the gsusb device driver is unloaded or unbound before the interface is shut down, the USB stack first calls the struct usbdriver::disconnect, and then the struct...

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: s390/cio: A race condition during online processing has been fixed. There is a race condition in the ccwdevicesetonline function, which can cause the online process to fail, leaving the affected device in an inconsistent state. A...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: In isotpsendmsg, cmpxchg is used to serialize access to so-tx.buf. isotprelease waits for ISOTPIDLE via waiteventinterruptible and then calls kfreeso-tx.buf. If a signal interrupts waiteventinterruptible inside close when tx.stat...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm: hugetlb: fix UAF in hugetlbhandleuserfault The vmalock and hugetlbfaultmutex are removed before handling userfault, and reacquired again after handleuserfault. However, reacquiring the vmalock could lead to a...