CVE-2022-1055 (GCVE-0-2022-1055)
Vulnerability from cvelistv5 – Published: 2022-03-29 15:05 – Updated: 2026-07-29 13:49
VLAI
EPSS
VEX
Title
Use after Free in tc_new_tfilter allowing for privilege escalation in Linux Kernel
Summary
A use-after-free exists in the Linux Kernel in tc_new_tfilter that could allow a local attacker to gain privilege escalation. The exploit requires unprivileged user namespaces. We recommend upgrading past commit 04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-05-21 17:47 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://git.kernel.org/pub/scm/linux/kernel/git/t… | x_refsource_MISC |
| https://syzkaller.appspot.com/bug?id=2212474c9589… | x_refsource_MISC |
| https://kernel.dance/#04c2a47ffb13c29778e2a14e414… | x_refsource_MISC |
| https://security.netapp.com/advisory/ntap-2022050… | x_refsource_CONFIRM |
| http://packetstormsecurity.com/files/167386/Kerne… | x_refsource_MISC |
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Kernel |
Affected:
5.1.0 , < 5.4.177
(semver)
Affected: 5.5.0 , < 5.10.97 (semver) Affected: 5.11.0 , < 5.15.20 (semver) Affected: 5.16.0 , < 5.16.6 (semver) Unaffected: 5.17.0 (semver) Unaffected: 04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5 (git) |
guessed | |
| linux | linux_kernel |
Affected:
0 , < 5.17_rc3
(custom)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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