CVE-2022-48911
netfilter: nf_queue: fix possible use-after-free
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: no
- Technical impact: partial
Summary
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_queue: fix possible use-after-free Eric Dumazet says: The sock_hold() side seems suspect, because there is no guarantee that sk_refcnt is not already 0. On failure, we cannot queue the packet and need to indicate an error. The packet will be dropped by the caller. v2: split skb prefetch hunk into separate change
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- Linux Linux
Version range not reported
- Linux Linux
2.6.29
References 8
git.kernel.org
- stable/c/21b27b2baa27423286e9b8d3f0b194d587083d95
- stable/c/ef97921ccdc243170fcef857ba2a17cf697aece5
- stable/c/34dc4a6a7f261736ef7183868a5bddad31c7f9e3
- stable/c/43c25da41e3091b31a906651a43e80a2719aa1ff
- stable/c/4d05239203fa38ea8a6f31e228460da4cb17a71a
- stable/c/dd648bd1b33a828f62befa696b206c688da0ec43
- stable/c/dcc3cb920bf7ba66ac5e9272293a9ba5f80917ee
- stable/c/c3873070247d9e3c7a6b0cf9bf9b45e8018427b1