CVE-2024-42070: netfilter: nf_tables: fully validate NFT_DATA_VALUE on store to data registers
First published: Mon Jul 29 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: fully validate NFT_DATA_VALUE on store to data registers register store validation for NFT_DATA_VALUE is conditional, however, the datatype is always either NFT_DATA_VALUE or NFT_DATA_VERDICT. This only requires a new helper function to infer the register type from the set datatype so this conditional check can be removed. Otherwise, pointer to chain object can be leaked through the registers.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | <3.13 | |
| Linux Linux kernel | >=3.14<4.19.317 | |
| Linux Linux kernel | >=4.20<5.4.279 | |
| Linux Linux kernel | >=5.5<5.10.221 | |
| Linux Linux kernel | >=5.11<5.15.162 | |
| Linux Linux kernel | >=5.16<6.1.97 | |
| Linux Linux kernel | >=6.2<6.6.37 | |
| Linux Linux kernel | >=6.7<6.9.8 | |
| redhat/kernel | <4.19.317 | 4.19.317 |
| redhat/kernel | <5.4.279 | 5.4.279 |
| redhat/kernel | <5.10.221 | 5.10.221 |
| redhat/kernel | <5.15.162 | 5.15.162 |
| redhat/kernel | <6.1.97 | 6.1.97 |
| redhat/kernel | <6.6.37 | 6.6.37 |
| redhat/kernel | <6.9.8 | 6.9.8 |
| redhat/kernel | <6.10 | 6.10 |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.112-1 6.11.7-1 6.11.9-1 |
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Reference Links
- https://git.kernel.org/stable/c/23752737c6a618e994f9a310ec2568881a6b49c4
- https://git.kernel.org/stable/c/40188a25a9847dbeb7ec67517174a835a677752f
- https://git.kernel.org/stable/c/41a6375d48deaf7f730304b5153848bfa1c2980f
- https://git.kernel.org/stable/c/461302e07f49687ffe7d105fa0a330c07c7646d8
- https://git.kernel.org/stable/c/5d43d789b57943720dca4181a05f6477362b94cf
- https://git.kernel.org/stable/c/7931d32955e09d0a11b1fe0b6aac1bfa061c005c
- https://git.kernel.org/stable/c/952bf8df222599baadbd4f838a49c4fef81d2564
- https://git.kernel.org/stable/c/efb27ad05949403848f487823b597ed67060e007
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-42070
- https://nvd.nist.gov/vuln/detail/CVE-2024-42070
- https://launchpad.net/bugs/cve/CVE-2024-42070
- https://security-tracker.debian.org/tracker/CVE-2024-42070
- https://ubuntu.com/security/CVE-2024-42070
- https://git.kernel.org/linus/7931d32955e09d0a11b1fe0b6aac1bfa061c005c
- https://lore.kernel.org/linux-cve-announce/2024072952-CVE-2024-42070-b271@gregkh/T
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2301703
- https://access.redhat.com/errata/RHSA-2024:8870
- https://access.redhat.com/errata/RHSA-2024:8856
- https://access.redhat.com/errata/RHSA-2024:9315
- https://bugzilla.redhat.com/show_bug.cgi?id=2300508
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