CVE-2023-4015

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Source
https://cve.org/CVERecord?id=CVE-2023-4015
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-4015.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2023-4015
Downstream
Published
2023-09-06T13:52:44.724Z
Modified
2026-05-28T03:55:12.899392172Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
Use-after-free in Linux kernel's netfilter: nf_tables component
Details

A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation.

On an error when building a nftables rule, deactivating immediate expressions in nftimmediatedeactivate() can lead unbinding the chain and objects be deactivated but later used.

We recommend upgrading past commit 0a771f7b266b02d262900c75f1e175c7fe76fec2.

Database specific 
{
    "cwe_ids": [
        "CWE-416"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/4xxx/CVE-2023-4015.json",
    "cna_assigner": "Google"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Events
Introduced
6995e2de6891c724bfeb2db33d7b87775f913ad1
Fixed
2dde18cd1d8fac735875f2e4987f11817cc0bc2c
Database specific 
{
    "source": "AFFECTED_FIELD",
    "extracted_events": [
        {
            "introduced": "6.4"
        },
        {
            "fixed": "6.5"
        }
    ]
}

Affected versions

v6.*
v6.4
v6.5-rc1
v6.5-rc2
v6.5-rc3
v6.5-rc4
v6.5-rc5
v6.5-rc6
v6.5-rc7

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-4015.json"