CVE-2023-4004
High
Description
A use-after-free flaw was found in the Linux kernel's netfilter in the way a user triggers the nft_pipapo_remove function with the element, without a NFT_SET_EXT_KEY_END. This issue could allow a local user to crash the system or potentially escalate their privileges on the system.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedJul 31, 2023
First seenJul 31, 2023
Weakness typeCWE-416Use after free
How to fix
Update
- linux linux_kernel5.10.188, 5.15.123, 6.1.42, 6.4.7 or later
Vendor advisories
- access.redhat.com/errata/RHSA-2023:4961
- access.redhat.com/errata/RHSA-2023:4962
- access.redhat.com/errata/RHSA-2023:4967
- access.redhat.com/errata/RHSA-2023:5069
- access.redhat.com/errata/RHSA-2023:5091
- access.redhat.com/errata/RHSA-2023:5093
- access.redhat.com/errata/RHSA-2023:5221
- access.redhat.com/errata/RHSA-2023:5244
- access.redhat.com/errata/RHSA-2023:5255
- access.redhat.com/errata/RHSA-2023:5548
- access.redhat.com/errata/RHSA-2023:5627
- access.redhat.com/errata/RHSA-2023:7382
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.6 ≤ v < 5.10.188, 5.11 ≤ v < 5.15.123, 5.16 ≤ v < 6.1.42, 6.2 ≤ v < 6.4.7 | 5.10.188, 5.15.123, 6.1.42, 6.4.7 |
| fedoraproject fedora | 38 | — |
| redhat enterprise_linux | 8.0, 9.0 | — |
| netapp h300s | No range specified | — |
| netapp h410s | No range specified | — |
| netapp h500s | No range specified | — |
| netapp h700s | No range specified | — |
| debian debian_linux | 10.0, 11.0, 12.0 | — |
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