U-Boot before 2026.10-rc5 contains a buffer overflow in nfs_readlink_reply() function in net/nfs-common.c when processing NFS server responses. A malicious NFS server can send crafted READLINK replies with negative or oversized symlink length values to corrupt memory and crash the bootloader.
Metrics
Affected Vendors & Products
References
History
Wed, 30 Sep 2026 04:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
U-boot
U-boot u-boot |
|
| Vendors & Products |
U-boot
U-boot u-boot |
Tue, 29 Sep 2026 21:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | U-Boot before 2026.10-rc5 contains a buffer overflow in nfs_readlink_reply() function in net/nfs-common.c when processing NFS server responses. A malicious NFS server can send crafted READLINK replies with negative or oversized symlink length values to corrupt memory and crash the bootloader. | |
| Title | U-Boot before 2026.10-rc5 Buffer Overflow via NFS READLINK | |
| First Time appeared |
Denx
Denx u-boot |
|
| Weaknesses | CWE-195 | |
| CPEs | cpe:2.3:a:denx:u-boot:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Denx
Denx u-boot |
|
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-09-29T21:29:23.283Z
Updated: 2026-09-30T13:47:56.756Z
Reserved: 2026-08-14T18:01:19.916Z
Link: CVE-2026-74221
No data.
Status : Awaiting Analysis
Published: 2026-09-29T22:18:33.493
Modified: 2026-09-30T16:40:50.560
Link: CVE-2026-74221
No data.
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