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: jfs: Truncating good inode pages when the hard link is 0 The value of the fileset for the inode copy from the disk by the reproducer is AGGRRESERVEDI. When the evict function is executed, its hard link number is 0, so its inode...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: i2c: mux: reg: Check the return value after calling platformgetresource. This issue could lead to a null-ptr-deref in resourcesize if platformgetresource returns NULL. Moving the call to resourcesize after devmioremapresource wil...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: skbuff: Account for tail adjustment during pull operations Extending the tail of a data structure may have some unexpected side effects if a program uses a helper function like BPFFUNCskbpulldata to read partial content beyond th...

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

In the Linux kernel, the following vulnerability has been resolved: kernel/failfunction: fixed a memory leak that occurred when using debugfslookup. When calling debugfslookup, the result must also contain a call to dput; otherwise, a memory leak will occur over time. To simplify things, simply...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fs: The UAF/GPF bug in nilfsmdtdestroy has been fixed. In allocinode, if inodeinitalways fails, it may return -ENOMEM. This failure causes inode-iprivate to remain uninitialized. As a result, nilfsismetadatafileinode returns true...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: x86/MCE: Always save the CS register in cases of AMD Zen IF Poison errors. The Instruction Fetch IF units on current AMD Zen-based systems do not guarantee a synchronous MC for poison consumption errors. Therefore,...

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

In the Linux kernel, the following vulnerability has been resolved: md/raid10: check slab-out-of-bounds in mdbitmapgetcounter If we write a large number to md/bitmapsetbits, mdbitmapcheckpage will return -EINVAL because ‘page = bitmap-pages’. However, the returned value was not checked immediatel...

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: Tracing: Fixed a race condition between CPU buffer write and swapping. A warning occurred in rbendcommit at the following line of code: if RBWARNONcpubuffer, !localread&cpubuffer-committing WARNING: CPU: 0 PID: 139 at...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: i2c: ismt: A buffer overflow bug has been fixed in ismtaccess. When the driver does not check the data from the user, the variable ‘data-block0’ may become very large, leading to a buffer overflow bug. The following log can revea...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ocfs2: Prevent the release of journal inode after journal shutdown. Before calling ocfs2deleteosb, the function ocfs2journalshutdown has already been executed in ocfs2dismountvolume. Therefore, osb-journal must be NULL. As a...

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: i40e: Fixed potential invalid access when the MAC list is empty. listfirstentry never returns NULL—if the list is empty, it still returns a pointer to an invalid object, leading to potential invalid memory access when dereferenci...

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: tee: Fix NULL pointer dereference in teeshmput teeshmput has a NULL pointer dereference: opteedisableshmcache shm = regpairtoptr...; // shm may return NULL teeshmfreeshm; teeshmputshm; // results in a crash Add a check in...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: mmc: wmt-sdmmc: Fix the return value check in mmcaddhost. The mmcaddhost function may return an error. If we ignore its return value, the memory allocated in the mmcallochost function will be leaked. This can lead to a kernel...

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

In the Linux kernel, the following vulnerability has been resolved: UDF: Fixed uninitialized array access for some pathnames For filenames that start with . and are between 2 and 5 characters long, the UDF charset conversion code would read uninitialized memory from the output buffer. The only...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: cxl: fixed a possible null-ptr-deref in cxlpciinitafu|adapter. If deviceregister fails in cxlpciafu|adapter, the device is not added. In this case, deviceunregister cannot be called in the error path. Otherwise, a null-ptr-deref...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: PCI: hv: Fixed a crash in hvpcirestoremsimsg during hibernation. When a Linux virtual machine with a assigned PCI device runs on Hyper-V, if the PCI device driver is not yet loaded i.e., MSI-X/MSI is not enabled on the device,...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Drivers: Net: qlcnic: Fixed a potential memory leak in qlcnicsriovinit. If the vpalloc function fails in qlcnicsriovinit, all previously allocated vp resources must be freed...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: xen/gntdev: Prevent leaking grants Prior to this commit, if a grant mapping operation failed partially, some of the entries in the mapops array would be invalid, while all of the entries in the kmapops array would be valid. This...

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

In the Linux kernel, the following vulnerabilities have been resolved: wifi: brcmfmac: Fixed a potential stack-out-of-bounds issue in brcmfcpreinitdcmds. This patch fixes a read operation that leads to a stack-out-of-bounds situation when the buffer ‘buf’ that is not null-terminated is passed as ...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: igb: Do not free qvector unless a new one was allocated. Avoid potential use-after-free conditions under memory pressure. If kzalloc fails, qvector will be freed, but it will remain in the original adapter-qvectorvidx array...