CVE-2023-52628 (GCVE-0-2023-52628)

Vulnerability from cvelistv5 – Published: 2024-03-28 07:33 – Updated: 2025-11-04 17:14
VLAI?
Title
netfilter: nftables: exthdr: fix 4-byte stack OOB write
Summary
In 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).
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 49499c3e6e18b7677a63316f3ff54a16533dc28f , < 28a97c43c9e32f437ebb8d6126f9bb7f3ca9521a (git)
Affected: 49499c3e6e18b7677a63316f3ff54a16533dc28f , < cf39c4f77a773a547ac2bcf30ecdd303bb0c80cb (git)
Affected: 49499c3e6e18b7677a63316f3ff54a16533dc28f , < a7d86a77c33ba1c357a7504341172cc1507f0698 (git)
Affected: 49499c3e6e18b7677a63316f3ff54a16533dc28f , < 1ad7b189cc1411048434e8595ffcbe7873b71082 (git)
Affected: 49499c3e6e18b7677a63316f3ff54a16533dc28f , < d9ebfc0f21377690837ebbd119e679243e0099cc (git)
Affected: 49499c3e6e18b7677a63316f3ff54a16533dc28f , < c8f292322ff16b9a2272a67de396c09a50e09dce (git)
Affected: 49499c3e6e18b7677a63316f3ff54a16533dc28f , < fd94d9dadee58e09b49075240fe83423eb1dcd36 (git)
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    Linux Linux Affected: 4.1
Unaffected: 0 , < 4.1 (semver)
Unaffected: 4.19.316 , ≤ 4.19.* (semver)
Unaffected: 5.4.279 , ≤ 5.4.* (semver)
Unaffected: 5.10.198 , ≤ 5.10.* (semver)
Unaffected: 5.15.132 , ≤ 5.15.* (semver)
Unaffected: 6.1.54 , ≤ 6.1.* (semver)
Unaffected: 6.5.4 , ≤ 6.5.* (semver)
Unaffected: 6.6 , ≤ * (original_commit_for_fix)
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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