Astra Linux – Vulnerability in Chromium

Insufficient data validation in the File System of Google Chrome prior to 107.0.5304.62 allowed a remote attacker to bypass file system restrictions through a crafted HTML page. Chromium security severity: Medium...

Astra Linux – Vulnerability in f2fs-tools

There is an exploitable information disclosure vulnerability in the devread functionality of F2fs-Tools F2fs.Fsck 1.13. A specially crafted f2fs filesystem can lead to an uninitialized read operation, resulting in information disclosure. An attacker can provide a malicious file to trigger this...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: f2fs: fixed a NULL pointer derefrence in f2fssubmitpagewrite BUG: NULL pointer derefrence in the kernel; address: 0000000000000014 RIP: 0010:f2fssubmitpagewrite+0x6cf/0x780 f2fs Call Trace: ? show regs+0x6e/0x80 ? die+0x29/0x70 ?...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: NFSv4.2: Rework the handling of scratch space for READPLUS again. I found that the read code might send multiple requests using the same nfspgioheader. However, the nfs4procreadsetup function is only called once. As a result, we...

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

In the Linux kernel, the following vulnerability has been resolved: FS: JFS: Check for read-only mounted filesystem in txBegin This patch adds a check for read-only mounted filesystem in txBegin before starting a transaction, potentially preventing NULL pointer dereferencing...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: NFS: Do not corrupt the value of pgbyteswritten in nfsdorecoalesce The value of mirror-pgbyteswritten should only be updated after a successful attempt to flush out the requests on the list...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: afs: Fixed page leak There is a loop in afaxtendwriteback that adds extra pages to the write operation. We want to improve the efficiency of this write-back process by making the write operation larger. However, this loop stops i...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: f2fs: The issue of dereferencing a stale list iterator after the loop body has been executed has been fixed. The list iterator variable will become a bogus pointer if no break statement is executed. Dereferencing it in this case,...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: NFSD: Fixed the handling of large file sizes in NFSv3 SETATTR/CREATE procedures. iattr::iasize is a lofft; therefore, these NFSv3 procedures must be careful to handle incoming client size values that are larger than s64max...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: nfsd: fixed RELEASELOCKOWNER The test on socount in nfsd4releaselockowner is pointless and harmful. revert to using checkforlocks, and change it to not sleep. Firstly, it’s harmful. As documented in the kdoc comment for...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfs: Only call foliostartfscache once for each folio. If a network filesystem using netfs implements a clamplength function, it can set subrequest lengths that are smaller than the page size. When we loop through the folios in...

Astra Linux – Vulnerability in Linux, Linux 5.10

A flaw involving a null pointer dereference was discovered in the Linux kernel’s UDF file system functionality. This flaw allows a malicious UDF image to trigger the udffilewriteiter function. A local user could exploit this flaw to crash the system. The flaw is present in the Linux kernel versio...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Check the ‘folio’ pointer to ensure it is not NULL. It can become NULL if the bbmap function is called...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Handling of errors from attrsetsize when truncating files. If attrsetsize fails during file truncation, the error is silently ignored, and the inode may remain in an inconsistent state...

Astra Linux – Vulnerability in Linux 5.10, Linux

A flaw in the use of free after the NILFS file system in the Linux kernel was discovered. This flaw causes the function security inodealloc to fail, leading to a call to the nilfsmdtdestroy function. A local user could exploit this flaw to crash the system or potentially escalate their privileges...

Astra Linux – Vulnerability in Linux, Linux 5.15

A flaw was discovered in cifs-utils. When attempting to obtain Kerberos credentials, the cifs.upcall program from the cifs-utils package makes an upcall to the wrong namespace in containerized environments. This issue may result in the disclosure of sensitive data from the host’s Kerberos...

Astra Linux – Vulnerability in Linux 5.10, Linux

A denial-of-service DOS issue was detected in the smb2ioctlqueryinfo function of the Linux kernel, within the fs/cifs/smb2ops.c Common Internet File System. This issue arises due to an incorrect return value from the memdupuser function. This flaw allows a local, privileged attacker with...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ext4: Allow ext4getgroupinfo to fail. Previously, ext4getgroupinfo would treat an invalid group number as a BUG, since this should never happen in theory. However, if a malicious attacker modifies the superblock via the block...

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

In the Linux kernel, the following vulnerability has been resolved: udf: Do not bother merging very long extents. When merging very long extents, we try to assign as much length as possible to the first extent. However, this is unnecessarily complicated and not really worth the effort. Moreover,...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: NFS: Fixed an oopsable condition in nfspageioaddrequest. Ensured that nfspageioerrorcleanup resets the mirror array contents, so that the structure reflects the fact that it is now empty. Also changed the test in...