Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: An out-of-bounds access issue in parsesecdesc has been fixed. If osidoffset, gsidoffset, and dacloffset can be greater than smbntsdstruct.size. If they are smaller, it could lead to an out-of-bounds situation. Additionally...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ipv4: Use RCU protection in iprtupdatepmtu. iprtupdatepmtu must use RCU protection to ensure that the network structure it reads does not disappear...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: can: ctucanfd: handle skb allocation failure If the skb allocation fails, the pointer to struct canframe becomes NULL. This issue is actually handled everywhere within ctucanerrinterrupt, except for the only place where it is not...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: EFI: libstub – Only “free privRuntimeMap” is returned when it is allocated. “privRuntimeMap” is only allocated when “efinovamap” is not set. Otherwise, it remains an uninitialized value. In the error path, “privRuntimeMap” is fre...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: dmaengine: altera-msgdma: properly freeing the descriptor in msgdmafreedescriptor. The call listdel in msgdmachandesccleanup should be replaced with msgdmafreedescriptor. Consequently, listaddtail should be replaced with...

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

In the Linux kernel, the following vulnerability has been resolved: iommusvabinddevice: This function should return either a device handle for binding SVA data, or an ERRPTR value in error cases. Existing drivers idxd and uacce only check the return value using ISERR. This could potentially lead ...

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

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: fixed a NULL pointer dereference when attempting to start a new transaction. BUG Syzbot reported a NULL pointer dereference, accompanied by a crash: FAULTINJECTION: Forced a failure. starttransaction+0x830/0x1670...

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

In the Linux kernel, the following vulnerability has been resolved: ata: libata-core: Fixed double-free on error For example, if the ataportalloc call in atahostalloc fails, we will jump to the errout label, which will call devresreleasegroup. devresreleasegroup will trigger a call to...

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

In the Linux kernel, the following vulnerabilities have been resolved: netns: Ensure that getnetns handles zero refcount nets properly. Syzkaller encountered a warning: refcountt: Addition on 0; use-after-free. WARNING: CPU: 3 PID: 7890 at lib/refcount.c:25 refcountwarnsaturate+0xdf/0x1d0 Linked...

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

In the Linux kernel, the following vulnerability has been resolved: modpost: fixed an issue where the comparison in isexecutablesection was off by one. The comparison should be set to = to prevent out-of-bounds array access...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: power: supply: cpcap-charger: Fixed the null check for powersupplygetbyname. In the cpcapusbdetect function, the powersupplygetbyname function may return NULL instead of an error pointer. To prevent potential null pointer...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Soundwire: Fixing enumeration completion The Soundwire subsystem uses two completion structures that allow drivers to wait for the Soundwire device to be enumerated on the bus and initialized by their respective drivers. The code...

Astra Linux – Vulnerability in Linux, Linux 5.10

In f2fssetxattr in fs/f2fs/xattr.c in the Linux kernel, as of version 5.15.11, there is a potential for out-of-bounds memory access when an inode has an invalid last xattr entry...

Astra Linux – Vulnerability in Linux 5.10, Linux

The file drivers/usb/gadget/legacy/inode.c in the Linux kernel, up to version 5.16.8, improperly handles the release of dev-buf...

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: libceph: The calctarget function should set t-paused, rather than simply clearing it. Currently, calctarget clears t-paused if the request should no longer be paused. However, it never sets t-paused, even though it can determine...

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: uacce: Fixed the handling of cdev in the cleanup path. When cdevdeviceadd fails, it internally releases the cdev memory. If cdevdevicedel is then executed, it will cause a hang error. To fix this issue, we check the return value ...

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

A null pointer dereference flaw was discovered in the hugetlbfsfillsuper function within the Linux kernel’s hugetlbfs Huge TLB pages functionality. This issue may allow a local user to crash the system or potentially escalate their privileges on the system...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: KVM: x86 – Handling of SRCU initialization failures during page track initialization Check the return value of initsrcustruct, which may fail due to OOM conditions when initializing the page track mechanism. Lack of checking lead...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: “Revert “block, bfq: honor already-setup queue merges”” A crash occurred in conjunction with the commit 2d52c58b9c9b “block, bfq: honor already-setup queue merges”. This issue was later reverted by the commit ebc69e897e17 “Revert...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs: The code checks contexts-nr before accessing contextsarr0. Multiple sysfs command paths dereference contextsarr0 without first verifying that kdamond-contexts-nr == 1. A user can set nrcontexts to 0 via sysfs whil...