CVE-2022-49277

In the Linux kernel, the following vulnerability has been resolved: jffs2: fix memory leak in jffs2domountfs If jffs2buildfilesystem in jffs2domountfs returns an error, we can observe the following kmemleak report: -------------------------------------------- unreferenced object 0xffff88811b25a64...

CVE-2022-49276 jffs2: fix memory leak in jffs2_scan_medium

In the Linux kernel, the following vulnerability has been resolved: jffs2: fix memory leak in jffs2scanmedium If an error is returned in jffs2scaneraseblock and some memory has been added to the jffs2summary s, we can observe the following kmemleak report:...

CVE-2022-49276 jffs2: fix memory leak in jffs2_scan_medium

In the Linux kernel, the following vulnerability has been resolved: jffs2: fix memory leak in jffs2scanmedium If an error is returned in jffs2scaneraseblock and some memory has been added to the jffs2summary s, we can observe the following kmemleak report:...

CVE-2022-49276 jffs2: fix memory leak in jffs2_scan_medium

In the Linux kernel, the following vulnerability has been resolved: jffs2: fix memory leak in jffs2scanmedium If an error is returned in jffs2scaneraseblock and some memory has been added to the jffs2summary s, we can observe the following kmemleak report:...

CVE-2021-47656 jffs2: fix use-after-free in jffs2_clear_xattr_subsystem

In the Linux kernel, the following vulnerability has been resolved: jffs2: fix use-after-free in jffs2clearxattrsubsystem When we mount a jffs2 image, assume that the first few blocks of the image are normal and contain at least one xattr-related inode, but the next block is abnormal. As a result...

CVE-2021-47656 jffs2: fix use-after-free in jffs2_clear_xattr_subsystem

In the Linux kernel, the following vulnerability has been resolved: jffs2: fix use-after-free in jffs2clearxattrsubsystem When we mount a jffs2 image, assume that the first few blocks of the image are normal and contain at least one xattr-related inode, but the next block is abnormal. As a result...

CVE-2021-47656

Summary (CVE-2021-47656): In the Linux kernel’s jffs2 subsystem, a use-after-free occurs in jffs2_clear_xattr_subsystem during mounting a jffs2 image when an abnormal block is encountered. The code path frees an xattr_ref object twice (UAF) due to a call sequence in jffs2_build_filesystem/jffs2_d...

CVE-2021-47656

In the Linux kernel, the following vulnerability has been resolved: jffs2: fix use-after-free in jffs2clearxattrsubsystem When we mount a jffs2 image, assume that the first few blocks of the image are normal and contain at least one xattr-related inode, but the next block is abnormal. As a result...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that originates from post-release reuse in the jffs2clearxattrsubsystem function...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: jffs2: Prevent the xattr node from overflowing the eraseblock. A check has been added to ensure that the requested xattr node size is not larger than the eraseblock minus the cleanmarker. Unlike traditional inode nodes, xattr...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: jffs2: Fixed potential illegal address access in jffs2freeinode. During the stress testing of the jffs2 file system, the following abnormal outputs were found: 2430.649000 Unable to handle kernel paging request at virtual...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: jffs2: Prevent rtime decompression memory corruption The rtime decompression routine does not fully check bounds during the entire decompression process. As a result, it may corrupt memory outside the decompression buffer if the...

The vulnerability of the jffs2 component in the Linux operating system’s kernel allows a hacker to cause a service failure.

The vulnerability of the jffs2 component in the Linux operating system’s kernel is related to errors that occur after release. Exploiting this vulnerability can allow an attacker to cause a service failure...

CVE-2024-57850

In the Linux kernel, the following vulnerability has been resolved: jffs2: Prevent rtime decompress memory corruption The rtime decompression routine does not fully check bounds during the entirety of the decompression pass and can corrupt memory outside the decompression buffer if the compressed...

SUSE CVE-2024-57850

In the Linux kernel, the following vulnerability has been resolved: jffs2: Prevent rtime decompress memory corruption The rtime decompression routine does not fully check bounds during the entirety of the decompression pass and can corrupt memory outside the decompression buffer if the compressed...

DEBIAN-CVE-2024-57850

In the Linux kernel, the following vulnerability has been resolved: jffs2: Prevent rtime decompress memory corruption The rtime decompression routine does not fully check bounds during the entirety of the decompression pass and can corrupt memory outside the decompression buffer if the compressed...

UBUNTU-CVE-2024-57850

In the Linux kernel, the following vulnerability has been resolved: jffs2: Prevent rtime decompress memory corruption The rtime decompression routine does not fully check bounds during the entirety of the decompression pass and can corrupt memory outside the decompression buffer if the compressed...

CVE-2024-57850 jffs2: Prevent rtime decompress memory corruption

In the Linux kernel, the following vulnerability has been resolved: jffs2: Prevent rtime decompress memory corruption The rtime decompression routine does not fully check bounds during the entirety of the decompression pass and can corrupt memory outside the decompression buffer if the compressed...

CVE-2024-57850 jffs2: Prevent rtime decompress memory corruption

In the Linux kernel, the following vulnerability has been resolved: jffs2: Prevent rtime decompress memory corruption The rtime decompression routine does not fully check bounds during the entirety of the decompression pass and can corrupt memory outside the decompression buffer if the compressed...

CVE-2024-57850

CVE-2024-57850 affects the Linux kernel feature jffs2, where the rtime decompression code could corrupt memory outside the decompression buffer if compressed data is malformed. The issue is resolved by adding bounds checks during the rtime decompression pass. Supported documents confirm the vulne...