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.
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Advisories
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Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
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
|
Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-09-30T13:47:56.756Z
Reserved: 2026-08-14T18:01:19.916Z
Link: CVE-2026-74221
No data.
Status : Received
Published: 2026-09-29T22:18:33.493
Modified: 2026-09-30T14:17:29.340
Link: CVE-2026-74221
No data.
OpenCVE Enrichment
Updated: 2026-09-30T07:45:18Z
Weaknesses