Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: renesas: Fixed the refcount leak bug In usbhsrza1hardwareinit, the offindnodebyname function will return a node pointer with the refcount incremented. We should use ofnodeput when the node pointer is no longer needed...

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

In the Linux kernel, the following vulnerability has been resolved: rxrpc: a reference count leak was fixed in rxrpcserverkeyring. This patch addresses the reference count leak in rxrpcserverkeyring by checking whether rx-securities has already been set...

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: Bluetooth: HIDP: Fixed a possible UAF issue. This fix addresses the following issue caused by not dropping the l2capconn reference when the user-remove callback is called: 97.809249 l2capconnfree: Freeing the conn...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/sched: actct: fix ref leak when switching zones When switching zones or network namespaces without performing a ct clear between them, a reference to the old ct entry is still leaked. This occurs because tcfctskbnfctcached...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm/i915/gem: The i915gemcontext link is now moved under ref protection. i915perf assumes that it can use the i915gemcontext reference to protect its i915-gem.contexts.list iteration. However, this requires that we do not remo...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: nfc: Fixed potential resource leaks nfcgetdevice now takes a reference to the device and adds it; nfcputdevice is added to release it when no longer needed. Additionally, the warning message was corrected by using the error co...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: cachefiles: All requests are flushed after setting CACHEFILESDEAD. In ondemand mode, when the daemon is processing an open request, if the kernel marks the cache as CACHEFILESDEAD, the cachefilesdaemonwrite function will always...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fprinter: Only use kref for successful opening of the character device. The printeropen function returns -EBUSY when the character device is already open. However, it increments the dev-kref regardless of the return...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: scsi: elx: libefc: Fixed potential use after free in efcnportvportdel The krefput function will call nport-release if the reference count drops to zero. The nport-release function is efcnportfree, which frees the “nport” object...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: scsi: elx: efct: Fixed a reference count leak in efcthwioabort. When efcthwreqtagalloc fails in efcthwioabort, the error path returns -ENOSPC without releasing the reference obtained via krefgetunlesszero earlier in 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: usb: gadget: fsubset: Fixed an unbalanced reference count in gethfree. gethalloc increments the reference count, but gethfree fails to decrement it. This causes issues when configuring attributes via configfs after unlinking the...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: cpufreq: Avoid a bad reference count on the CPU node. In the parseperfdomain function, if the call to ofparsephandlewithargs returns an error, then the reference to the CPU device node acquired at the beginning of the function wi...

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: dm cache: Fixed a null-de-reference issue during concurrent writes in passthrough mode. In passthrough mode, when the dm-cache attempts to invalidate a cache entry, the bio prison cell lock may fail due to concurrent writes to...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: The dvbdev: device driver adopts a reference counter to avoid Use-After-Free UAF vulnerabilities. It is known that the dvbunregisterdevice function is prone to use-after-free issues. In other words, the cleanup performed by...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: smb: client: Fixed a refcount leak for cifssbtlink. Fixed three inconsistencies related to refcounts in cifssbtlink. The comments for cifssbtlink indicate that cifsputtlink must be called after successful calls to cifssbtlink...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: xfs: fixed a resource leak in xfsallocbuftarg In the error path, fsputdax is called to release the DAX device reference...

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

In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: st: fixed the issue where the reference count of the platform device was checked during the error path. The probe function never performs any platform device allocation. Therefore, the error path “undoplatformdevalloc”...

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: ext4: fixed the iloc.bh leak in ext4xattr inodeupdateref. The error branch of ext4xattr inodeupdateref forgot to release the refcount for iloc.bh. This issue was discovered during code review...

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: gpu: host1x: Fix device reference leak in host1xdeviceparsedt error path After deviceinitialize, the embedded struct device in struct host1xdevice should be released through the device core using putdevice. In host1xdeviceadd, if...

Astra Linux – Vulnerability in Python 3.7, PHP 7.3

The Keccak XKCP SHA-3 reference implementation, prior to the update of fdc6fef, has an integer overflow and resulting buffer overflow issue. This vulnerability allows attackers to execute arbitrary code or compromise the expected cryptographic properties of the algorithm. This issue occurs within...