SEPTEMBER 23, 2026
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Case File

CVE-2026-74542

UNKNOWN · CVSS N/A EPSS 0.15%

Source: NVD + CISA KEV + EPSS · Published 2026-08-15 · Last synced 2026-09-14

CyberRota Analysis

AI-Generated

The vulnerability affects the Linux kernel's netfs component, specifically related to memory allocation failures during writeback operations. This issue can lead to potential denial of service due to improper handling of memory allocation, resulting in warnings and instability in file system operations. Organizations using Linux-based systems, particularly those relying on netfs for file handling, should prioritize addressing this vulnerability to maintain system stability and performance.

CVE
CVE-2026-74542
Severity
UNKNOWN
CVSS
N/A
EPSS
0.15%
Linux

Original NVD Description

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix folio_queue ENOMEM in writeback by adding a mempool Fix the handling of folio_queue allocation failure in writeback by adding a mempool and passing in gfp_t flags to the rolling buffer functions that allocate memory, using the mempool if gfp != GFP_KERNEL. This is then extended upwards and the gfp to be used for a request is stored in the netfs_io_request struct and is then used for both requests and subrequests, eliminating the sleeping loops there. The failure caused: folio != NULL WARNING: fs/netfs/write_issue.c:603 at netfs_writepages+0x883/0xa10 fs/netfs/write_issue.c:603, CPU#3: syz.0.17/5919