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

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: Added a check for cstate. Since kzalloc may fail and return a NULL pointer, it would be better to check the cstate to avoid dereferencing the NULL pointer in drmatomichelpercrtcreset. Patchwork:...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: drm/stm: Avoid use-after-free issues with crtc and plane The function ltdcload calls the functions drmcrtcinitwithplanes, drmuniversalplaneinit, and drmencoderinit. These functions should not be called with parameters allocate...

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: Squashfs: check the return result of sbminblocksize Syzkaller reports a bug named “UBSAN: shift-out-of-bounds in squashfsbioread”. Syzkaller forks multiple processes. After mounting the Squashfs filesystem, it issues an...

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

In the Linux kernel, the following vulnerabilities have been resolved: i40e: Fixed idx validation in i40evalidatequeuemap. Ensured that the idx value is within the range of active/initialized TC’s when iterating over vf-chidx in i40evalidatequeuemap...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: RDMA/cma: Do not change route.addr.srcaddr outside of state checks. If the state is not idle, resolvepreparesrc should immediately fail, and no changes to the global state should occur. However, it srcaddr by attempting to create...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel before version 5.17.1, a refcount leak bug was discovered in the net/llc/afllc.c file...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: block: Fixed an incorrect offset in biotruncate The biotruncate function clears the buffer outside of the last block of bdev. However, the current implementation of biotruncate uses the wrong offset for the page. As a result, it...

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

In the Linux kernel, the following vulnerability has been resolved: PCI: Keystone: Fixed the if-statement expression in kspciequirk. This code accidentally used && where || was intended. This could potentially lead to a NULL derefrence error. Therefore, the if-statement expression should be...

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: HID: core: Do not bypass hidhwrawrequest The hidhwrawrequest function is actually useful for ensuring that the provided buffer and length are valid. Directly calling this function in the low-level transport driver bypassed those...

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

In the Linux kernel, the following vulnerabilities have been resolved: Squashfs: sanity check for symbolic link sizes Syzkiller reports a bug named “KMSAN: uninit-value in picklink”. This issue is caused by an uninitialized page, which ultimately results from reading a corrupted symbolic link siz...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: can: mcp251xfd: fix infinite loop when xmit fails When the mcp251xfdstartxmit function fails, the driver stops processing messages, and the interrupt routine does not return, resulting in an indefinite execution even after...

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: phy: tegra: xusb: Fixed unbalanced regulator disabling in UTMI PHY mode When transitioning from USBROLEDEVICE to USBROLENONE, the code assumed that the regulator should be disabled. However, if the regulator is marked as always-o...

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: mpls: Use rcudereferencertnl in mplsrouteinputrcu. As reported by syzbot 0, mplsrouteinputrcu can be called from mplsgetroute, which is under RTNL. net-mpls.platformlabel is only updated under RTNL. Let’s use rcudereferencertnl i...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: s390/qeth: fixed a use-after-free in hsci KASAN identified that the address was dereferenced after br2deveventwork was freed. ================================================================== BUG: KASAN: use-after-free in...

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: nfs4setupreaddir: Insufficient locking for -dparent-d inode dereferencing. Theoretically, this could lead to an oops error due to a race condition, but I don’t believe anyone would actually exploit this vulnerability on real...

Astra Linux – Vulnerability in Linux 6.1

A issue was discovered in the Linux kernel through version 6.0.9. In the file drivers/char/xillybus/xillyusb.c, there is a race condition and a use-after-free during the physical removal of a USB device...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Type confusion was fixed due to a race condition when using ipcmsgsendrequest. req-handle is allocated using ksmbdacquireid&ipcida, based on idaalloc. req-handle from ksmbdipcloginrequest and FSCTLPIPETRANSCEIVE ioctl can ...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mac80211: fixed a use-after-free in CCMP/GCMP RX. When PN checking is performed in mac80211, for fragmentation purposes, we need to copy the PN into the RX struct so that it can be used later for comparison. This is reflected in...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Added a sanity check for the file name. The length of the file name should be smaller than the directory entry size...

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

In the Linux kernel, the following vulnerability has been resolved: usb: host: max3421-hcd: Fix error pointer dereference in probe cleanup The kthreadrun function returns error pointers, so the max3421hcd-spithread pointer can be either an error pointer or NULL. Check both cases before...