Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: vlan: fixed an underflow issue related to the realdev refcnt. An error is injected before devholdrealdev in registervlandev, and the following testcase is executed: bash ip link add dev dummy1 type dummy ip link add name...

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: drm/amdgpu: Fixed a potential NULL pointer dereference in the atomctrlgetsmcsclkrangetable function. The function atomctrlgetsmcsclkrangetable does not check the return value of smuatomgetdatatable. If smuatomgetdatatable fails t...

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

In the Linux kernel, the following vulnerabilities have been resolved: “recordmcount”: Fixed memory leaks in the uwrite function. “Common realloc mistake”: The “file.Append” pointer was set to null, but it wasn’t freed upon failure...

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 – Release flowtable after the rcu grace period with an error. The function synchronizercu is called after unregistering the hooks from the error path. This is because a hook that already references this...

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

The dotlsgetsockopt function in net/tls/tlsmain.c in the Linux kernel, as of version 6.2.6, lacks a call to locksock. This results in a race condition, which can lead to a use-after-free or NULL pointer dereferencing...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/panfrost: Fixed corruption of the shrinker list caused by the madvise IOCTL. Calling the madvise IOCTL twice on BO causes corruption of the memory shrinker list, leading to a kernel crash. This occurs because BO is already on...

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: igb: Fixed the issue where igbdown got hung when removing the Thunderbolt hub. In a setup where a Thunderbolt hub is connected to Ethernet and a display via USB Type-C, users may experience a task-hanging timeout when they remove...

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: lwt: Fixed the return values of BPF xmit operations. The BPF encap operations can return different types of positive values, such as NETRXDROP, NETXMITCN, NETDEVTXBUSY, etc., from the functions skbdoredirect and...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net/mlx5e: Fixed a memory leak in the mlx5coreDestroycq error path. Before this patch, if mlx5coreDestroycq failed, it would return without completing all destroy operations, leading to a memory leak. Instead, the destroy...

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

In the Linux kernel, the following vulnerability has been resolved: “aio”: fixed the issue with mremap after a fork operation involving null-dereferencing. The commit e4a0d3e720e7 “aio: Makes it possible to remap the aio ring” introduced a null-dereference if mremap is called on an old aio mappin...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Ethernet: Hisilicon: HNS: hnsdsafmisc: A possible array overflow has been fixed in hnsdsafgesrstbyport. The if statement limits the value of port to be less than DSAFGENUM i.e., 8. However, if the value of port is 6 or 7, an arra...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrackexpect: Use expect-helper. Use expect-helper in ctnetlink and /proc to dump the helper’s name. Using nfcthelp without holding a reference to the master conntrack is unsafe. Use exp-master-helper in the...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: CDC-NCM: Avoid overflows in sanity checks. A malfunctioning device may produce an extreme offset like 0xFFF0, along with a fragment of reasonable length. In the currently formulated sanity check, this will cause an integer...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ext4: Fix for leaking uninitialized memory in the fast-commit journal When space at the end of the fast-commit journal blocks is unused, make sure to zero it out so that uninitialized memory is not leaked to the disk...

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

In the Linux kernel, the following vulnerability has been resolved: f2fs: avoided format-overflow warnings With GCC and the W=1 option, there is a warning like this: fs/f2fs/compress.c: In the function ‘f2fsinitpagearraycache’: fs/f2fs/compress.c:1984:47: Error: The ‘%u’ directive is writing 1 to...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: uio: uiodmemgenirq: Fixed an issue where the unlock operation was missed in irq configuration. The commit b74351287d4b “uio: fixed a bug in uiodmemgenirqirqcontrol”. corrected the code so that disableirq was called without...

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: isdn: mISDN: hfcsusb: fixed a memory leak in hfcsusbprobe In hfcsusbprobe, the memory allocated for ctrlurb gets leaked when setupinstance fails with an error code. This issue was addressed by freeing the urb before freeing th...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: char: xillybus: Do not destroy the workqueue from work items running on it. This issue was triggered by a decrease in the value of kref. The destroyworkqueue function might be called from within a work item to destroy its own...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm/pagetablecheck: A crash occurred when checking ZONEDEVICE. Not all pages apply to the pgtable check. An example is ZONEDEVICE pages: they directly map PFNs, and they never allocate pageext, even if there’s a struct page around...

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

In the Linux kernel, the following vulnerability has been resolved: md/raid10: fixed the memory leak related to ‘conf-biosplit’. In the error path of raid10run, ‘conf’ needs to be freed. However, ‘conf-biosplit’ is not freed, resulting in a memory leak. Since there are three places where ‘conf’...