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CVE-2026-64245

Description
In the Linux kernel, the following vulnerability has been resolved: fbdev: modedb: fix a possible UAF in fb_find_mode() If mode_option is NULL, it is assigned from mode_option_buf: if (!mode_option) { fb_get_options(NULL, &mode_option_buf); mode_option = mode_option_buf; } Later, name is assigned from mode_option: const char *name = mode_option; However, mode_option_buf is freed before name is no longer used: kfree(mode_option_buf); while name is still accessed by: if ((name_matches(db[i], name, namelen) || Since name aliases mode_option_buf, this may result in a use-after-free. Fix this by extending the lifetime of mode_option_buf until the end of the function by using scope-based resource management for cleanup.

Metadata

CVE ID
CVE-2026-64245
State
PUBLISHED
Assigner
Linux
Reserved
2026-07-19 15:36 UTC
Published
2026-07-24 15:31 UTC
Last updated
2026-07-24 15:31 UTC
Vendor / Product
Linux / Linux
Sources
cve.org  ·  NVD

Severity & Metrics

No CVSS data available.

Affected products (2)
VendorProductPlatformVersions
Linux Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < c7dc382439f7b019e207055b52e9cec051d42fa9, 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < f906347d75c7fc377041c6d3c535d0f08846aada, 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 4d418cf8daf57e454b4d855bf9b2419fd8e6a540, 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 13b6f0cdd5cd5e60f682ec43134ab0e2024bd356 …
Linux Linux 6.6.144 ≤ 6.6.*, 6.12.95 ≤ 6.12.*, 6.18.38 ≤ 6.18.*, 7.1.3 ≤ 7.1.* …
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