U-Boot before 2026.10-rc5 contains a buffer overflow in nfs_read_reply() function in net/nfs-common.c that allows attackers to corrupt memory by supplying crafted NFS READ reply lengths. A malicious NFS server can exploit signed integer handling to bypass length validation and write far past the destination buffer, crashing the bootloader or corrupting memory.
Metrics
Affected Vendors & Products
References
History
Wed, 30 Sep 2026 14:30:00 +0000
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| Metrics |
ssvc
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Tue, 29 Sep 2026 21:45:00 +0000
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| Description | U-Boot before 2026.10-rc5 contains a buffer overflow in nfs_read_reply() function in net/nfs-common.c that allows attackers to corrupt memory by supplying crafted NFS READ reply lengths. A malicious NFS server can exploit signed integer handling to bypass length validation and write far past the destination buffer, crashing the bootloader or corrupting memory. | |
| Title | U-Boot before 2026.10-rc5 Buffer Overflow via NFS READ Reply | |
| 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 |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-09-29T21:29:22.617Z
Updated: 2026-09-30T14:04:58.483Z
Reserved: 2026-08-14T18:01:19.915Z
Link: CVE-2026-74220
Updated: 2026-09-30T14:04:55.332Z
Status : Awaiting Analysis
Published: 2026-09-29T22:18:33.317
Modified: 2026-09-30T16:40:50.560
Link: CVE-2026-74220
No data.