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

In the Linux kernel, the following vulnerability has been resolved: btrfs: Fixed a race condition when deleting the quota root from the “dirtycowonlyroots” list. When disabling quotas, we delete the quota root from the fsinfo-dirtycowonlyroots list without locking it, which requires the protectio...

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, Linux

A race condition was detected in the Linux kernel’s IP framework for transforming packets XFRM subsystem, where multiple calls to xfrmprobealgs occurred simultaneously. This flaw could allow a local attacker to potentially trigger an out-of-bounds write or leak kernel heap memory by performing an...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: tipc: fixed a kernel panic that occurred when enabling a bearer. When enabling a bearer on a node, a kernel panic was observed: 4.498085 RIP: 0010:tipcmonprep+0x4e/0x130 tipc ... 4.520030 Call Trace: 4.520689 4.521236...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: net/mlx5: Fixed a race condition related to command flushing flows. Fixed a “use-after-free” warning due to a race condition involving command entries. This race condition occurs when one command releases its last reference...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Staging: rtl8712: fixed a use-after-free in rtl8712dlfw Syzbot reported a use-after-free in rtl8712dlfw. The issue occurred due to a race condition between r871xudevremove and dondoopen callbacks. It’s clear from the crash log...

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 found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: btrfs: fixed the BUGON condition in btrfscancelbalance. Pausing and canceling balance can race to interrupt balance, leading to a BUGON panic in btrfscancelbalance. The BUGON condition in btrfscancelbalance does not take this rac...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: s390/dasd: Fixed an OOP error in the dasdaliasgetstartdev function due to a missing pavgroup pointer. The OOP error occurred because the pavgroup pointer was set to NULL before the function was entered, without holding the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel before version 5.17.3, fs/iouring.c contains a use-after-free issue due to a race condition related to iouring timeouts. This issue can be triggered by a local user who does not have access to any user namespace. However, the race condition may only be exploited infrequently...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: ISO: Fixed issues related to locking and validity checks for isoconn. sk-skstate indicates whether isopisk-conn is valid. Operations that check or update skstate and access conn should hold locksock; otherwise, they...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: iouring/zcrx: fixed the race condition between the scrub and refill paths involving userrefs The iozcrxputniovuref function uses a non-atomic check-then-decrement pattern atomicread followed by an atomicdec to manipulate...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: veth: The XDP function has been modified to reduce the time spent on the nodirect return section, thereby fixing a race condition. As explained in the commit fa349e396e48 “veth: Fixed a race condition involving AFXDP, which expos...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: KVM: Initialize gfntopfncache locks in dedicated helper Move the gfntopfncache lock initialization to another helper and call the new helper during VM/vCPU creation. There are race conditions possible due to kvmgfntopfncacheinit’...

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: bridge: switchdev: Skip MDB replays of deferred events on offload Before this change, the generation of the list of MDB events to replay competed with the creation of new group memberhips, either through the IGMP/MLD snoopin...

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 found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: The fs and lock operations during checks for active status. The referenced commits introduced a two-step process for deleting FTEs: - Lock the FTE, delete it from the hardware, set the hardware deletion function to NULL...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: ubi: Fixed a race condition between ctrlcdevioctl and ubicdevioctl. Hulk Robot reported a KASAN report regarding a use-after-free issue: ========================================== BUG: KASAN: use-after-free in...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: erofs: fixed the use-of-memory issue on UP platforms During stress testing with CONFIGSMP disabled, KASAN reports the following issues: ================================================================== BUG: KASan: use-of-memo...

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...