CVE-2022-48962 (GCVE-0-2022-48962)
Vulnerability from cvelistv5 – Published: 2024-10-21 20:05 – Updated: 2026-08-05 08:53
VLAI
EPSS
VEX
Title
net: hisilicon: Fix potential use-after-free in hisi_femac_rx()
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: hisilicon: Fix potential use-after-free in hisi_femac_rx()
The skb is delivered to napi_gro_receive() which may free it, after
calling this, dereferencing skb may trigger use-after-free.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-22 13:20 UTC
Assigner
References
8 references
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
542ae60af24f02e130e62cb3b7c23163a2350056 , < 3501da8eb6d0f5f114a09ec953c54423f6f35885
(git)
Affected: 542ae60af24f02e130e62cb3b7c23163a2350056 , < 196e12671cb629d9f3b77b4d8bec854fc445533a (git) Affected: 542ae60af24f02e130e62cb3b7c23163a2350056 , < aceec8ab752428d8e151321479e82cc1a40fee2e (git) Affected: 542ae60af24f02e130e62cb3b7c23163a2350056 , < e71a46cc8c9ad75f3bb0e4b361e81f79c0214cca (git) Affected: 542ae60af24f02e130e62cb3b7c23163a2350056 , < 296a50aa8b2982117520713edc1375777a9f8506 (git) Affected: 542ae60af24f02e130e62cb3b7c23163a2350056 , < 6f4798ac9c9e98f41553c4f5e6c832c8860a6942 (git) Affected: 542ae60af24f02e130e62cb3b7c23163a2350056 , < 8595a2db8eb0ffcbb466eb9f4a7507a5ba06ebb9 (git) Affected: 542ae60af24f02e130e62cb3b7c23163a2350056 , < 4640177049549de1a43e9bc49265f0cdfce08cfd (git) |
guessed | |
| Linux | Linux |
Affected:
4.8
Unaffected: 0 , < 4.8 (semver) Unaffected: 4.9.336 , ≤ 4.9.* (semver) Unaffected: 4.14.302 , ≤ 4.14.* (semver) Unaffected: 4.19.269 , ≤ 4.19.* (semver) Unaffected: 5.4.227 , ≤ 5.4.* (semver) Unaffected: 5.10.159 , ≤ 5.10.* (semver) Unaffected: 5.15.83 , ≤ 5.15.* (semver) Unaffected: 6.0.13 , ≤ 6.0.* (semver) Unaffected: 6.1 , ≤ * (original_commit_for_fix) |
guessed |
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"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-09-13T18:17:15+00:00",
"cve": "CVE-2022-48962",
"id": "CVE-2022-48962",
"initial_release_date": "2022-01-01T00:00:00+00:00",
"product_status:known_not_affected": "198",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: net: hisilicon: Fix potential use-after-free in hisi_femac_rx()",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-48962.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "important",
"current_release_date": "2026-09-03T00:40:03Z",
"cve": "CVE-2022-48962",
"id": "CVE-2022-48962",
"initial_release_date": "2024-10-22T14:23:13Z",
"product_status:known_affected": "382",
"product_status:known_not_affected": "188",
"product_status:recommended": "549",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2022-48962",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-48962.json",
"version": "53"
},
"vulnrichment": {
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general-purpose slab object enables disclosure of reused kernel memory via the dangling skb-\u003elen read, scored High per UAF guidance.\\nI:H - sk_buff use-after-free in a general-purpose slab is a classic heap-grooming primitive that can yield attacker-controlled object reuse and control-flow hijacking, so integrity impact is High per kernel UAF scoring guidance.\\nA:H - Dereferencing a freed sk_buff can oops/panic the kernel, and an adjacent attacker can repeatedly inject frames to crash the host at will.\"}]}], \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"542ae60af24f02e130e62cb3b7c23163a2350056\", \"lessThan\": \"3501da8eb6d0f5f114a09ec953c54423f6f35885\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"542ae60af24f02e130e62cb3b7c23163a2350056\", \"lessThan\": \"196e12671cb629d9f3b77b4d8bec854fc445533a\", 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"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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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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