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CVE-2022-1055 (GCVE-0-2022-1055)

Vulnerability from cvelistv5 – Published: 2022-03-29 15:05 – Updated: 2026-07-29 13:49
VLAI
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
8.6 (High)
CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-05-21 17:47 UTC
CWE
Assigner
References
Impacted 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 Create a notification for this product.
linux linux_kernel Affected: 0 , < 5.17_rc3 (custom)
    cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website
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      "status": "final",
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      "product_status:recommended": "1211",
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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.


Detection rules are retrieved from Rulezet.


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.