Astra Linux – Vulnerability in Linux, Linux 5.10

A issue was discovered in fs/nfs/dir.c in the Linux kernel before version 5.16.5. If an application sets the ODIRECTORY flag and attempts to open a regular file, nfsatomicopen performs a regular lookup. If a regular file is found, ENOTDIR should be returned; however, the server instead returns...

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

In the Linux kernel, the following vulnerabilities have been resolved: Ring-Buffer: Fixed a deadloop issue when reading tracepipe. A soft lockup occurs when reading the file ‘tracepipe’: - Watchdog: BUG: Soft lockup – CPU6 stuck for 22 seconds! cat:4488 - ... - RIP: 0010:...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: smackfs: Restrict bytes count in smksetcipso Oops, I failed to update the subject line. From 07571157c91b98ce1a4aa70967531e64b78e8346 on Mon, Sep 17, 2001 Date: Mon, 12 Apr 2021 22:25:06 +0900 Subject: PATCH smackfs: Restrict byt...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel before version 5.15.3, fs/quota/quotatree.c does not validate the block number in the quota tree on disk. This can, for example, lead to a kernel/locking/rwsem.c use-after-free if there is a corrupted quota file...

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 5.15

In the Linux kernel, the following vulnerability has been resolved: dmaengine: dw-axi-dmac: Do not print NULL LLI during an error. During debugging, we encountered an issue where the axichandumplli function was passed a NULL LLI pointer, which ultimately caused an OOPS error due to attempts to...

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: “quota”: Fixed the potential NULL pointer dereferencing. The race condition below may cause NULL pointer dereferencing. P1 P2 dquotfreeinode quotaoff dropdquotref removedquotref dquots = idquotinode dquots = idquotinode...

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 in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: Do not log conflicting inodes if it’s a directory that was moved during the current transaction. We cannot log an conflicting inode if it’s a directory that was moved from one parent directory to another parent directory...

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: ublk: The SQE128 flag is validated before accessing the cmd field. The ublkctrlcmddump function accesses the sqe-cmd field before checking the IOURINGFSQE128 flag. This could lead to out-of-boundary memory access. The flag...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: IB/qib: Protection against buffer overflows in struct qibusersdmapkt fields Overflows in addrlimit or bytestogo can allow the user space to trigger a buffer overflow of kernel memory. Check for overflows in all places where...

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

In the Linux kernel, the following vulnerabilities have been resolved: ipv6: Fixed an access bug involving an uninitialized variable in ip6makeskb. Syzbot reported the following bugs: ===================================================== BUG: KMSAN: uninit-value in archatomic64inc...

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: netfilter: nftables: Rejected duplicate devices during updates. It is possible for a chain/flowtable update to include duplicate devices within the same batch. Unfortunately, the netdev event path only removes the first device...

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

In the Linux kernel, the following vulnerability has been resolved: Wifi: ath9k: Delay all operations related to ath9kwmieventtasklet until initialization is complete. The ath9kwmieventtasklet function used in ath9khtc assumes that all data structures have been fully initialized by the time it...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: The probe fails when the workqueue cannot be enabled The workqueue is enabled when the appropriate driver is loaded, and disabled when the driver is removed. When the driver is removed, it assumes that the...

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: iouring/rw: fixed the omission of the NOWAIT check for ODIRECT write operations. When iouring initiates a write operation, it calls kiocbstartwrite to update the super block’s rwsem, preventing any freezes from occurring while th...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Fixed a memory leak in vmwmksstataddioctl If the copy of the description string from user space fails, then the page containing the instance descriptor does not get freed before returning -EFAULT, resulting in a memor...

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

In the Linux kernel, the following vulnerabilities have been resolved: media: i2c: tc358743: Fixed a crash that occurred in the probe error path when using polling. If an error occurs in the probe function, we should remove the polling timer that was alarmed earlier. Otherwise, the timer is calle...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fhid: fix refcount leak on error path When failing to allocate reportdesc, opts-refcnt has already been incremented; therefore, it needs to be decremented to prevent the options structure from being permanently locke...