n the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: exthdr: fix 4-byte stack OOB write If priv->len is a multiple of 4, then dst[len / 4] can write past the destination array which leads to stack corruption. This construct is necessary to clean the remainder of the register in case ->len is NOT a multiple of the register size, so make it conditional just like nft_payload.c does. The bug was added in 4.1 cycle and then copied/inherited when tcp/sctp and ip option support was added. Bug reported by Zero Day Initiative project (ZDI-CAN-21950, ZDI-CAN-21951, ZDI-CAN-21961).
Configuration 1 (hide)
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04 Nov 2025, 18:15
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17 Mar 2025, 15:18
| Type | Values Removed | Values Added |
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| References | () https://git.kernel.org/stable/c/1ad7b189cc1411048434e8595ffcbe7873b71082 - Patch | |
| References | () https://git.kernel.org/stable/c/28a97c43c9e32f437ebb8d6126f9bb7f3ca9521a - Patch | |
| References | () https://git.kernel.org/stable/c/a7d86a77c33ba1c357a7504341172cc1507f0698 - Patch | |
| References | () https://git.kernel.org/stable/c/c8f292322ff16b9a2272a67de396c09a50e09dce - Patch | |
| References | () https://git.kernel.org/stable/c/cf39c4f77a773a547ac2bcf30ecdd303bb0c80cb - Patch | |
| References | () https://git.kernel.org/stable/c/d9ebfc0f21377690837ebbd119e679243e0099cc - Patch | |
| References | () https://git.kernel.org/stable/c/fd94d9dadee58e09b49075240fe83423eb1dcd36 - Patch | |
| First Time |
Linux
Linux linux Kernel |
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| CVSS |
v2 : v3 : |
v2 : unknown
v3 : 7.1 |
| CPE | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | |
| CWE | CWE-787 |
21 Nov 2024, 08:40
| Type | Values Removed | Values Added |
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| References | () https://git.kernel.org/stable/c/1ad7b189cc1411048434e8595ffcbe7873b71082 - | |
| References | () https://git.kernel.org/stable/c/28a97c43c9e32f437ebb8d6126f9bb7f3ca9521a - | |
| References | () https://git.kernel.org/stable/c/a7d86a77c33ba1c357a7504341172cc1507f0698 - | |
| References | () https://git.kernel.org/stable/c/c8f292322ff16b9a2272a67de396c09a50e09dce - | |
| References | () https://git.kernel.org/stable/c/cf39c4f77a773a547ac2bcf30ecdd303bb0c80cb - | |
| References | () https://git.kernel.org/stable/c/d9ebfc0f21377690837ebbd119e679243e0099cc - | |
| References | () https://git.kernel.org/stable/c/fd94d9dadee58e09b49075240fe83423eb1dcd36 - |
05 Jul 2024, 08:15
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27 Jun 2024, 12:15
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16 Jun 2024, 13:15
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Published : 2024-03-28 08:15
Updated : 2025-11-04 18:15
NVD link : CVE-2023-52628
Mitre link : CVE-2023-52628
CVE.ORG link : CVE-2023-52628
JSON object : View
Out-of-bounds Write