CVE-2022-49852 (GCVE-0-2022-49852)

Vulnerability from cvelistv5 – Published: 2025-05-01 14:10 – Updated: 2025-05-04 08:46
VLAI?
Title
riscv: process: fix kernel info leakage
Summary
In the Linux kernel, the following vulnerability has been resolved: riscv: process: fix kernel info leakage thread_struct's s[12] may contain random kernel memory content, which may be finally leaked to userspace. This is a security hole. Fix it by clearing the s[12] array in thread_struct when fork. As for kthread case, it's better to clear the s[12] array as well.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 7db91e57a0acde126a162ababfb1e0ab190130cb , < c4601d30f7d989b4f354df899ab85b5f7a750d30 (git)
Affected: 7db91e57a0acde126a162ababfb1e0ab190130cb , < c5c0b3167537793a7cf936fb240366eefd2fc7fb (git)
Affected: 7db91e57a0acde126a162ababfb1e0ab190130cb , < e56d18a976dda653194218df6d40d8122c775712 (git)
Affected: 7db91e57a0acde126a162ababfb1e0ab190130cb , < cc36c7fa5d9384602529ba3eea8c5daee7be4dbc (git)
Affected: 7db91e57a0acde126a162ababfb1e0ab190130cb , < 358a68f98304b40b201ba5afe94c20355aa3dc68 (git)
Affected: 7db91e57a0acde126a162ababfb1e0ab190130cb , < 6510c78490c490a6636e48b61eeaa6fb65981f4b (git)
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    Linux Linux Affected: 4.15
Unaffected: 0 , < 4.15 (semver)
Unaffected: 4.19.267 , ≤ 4.19.* (semver)
Unaffected: 5.4.225 , ≤ 5.4.* (semver)
Unaffected: 5.10.155 , ≤ 5.10.* (semver)
Unaffected: 5.15.79 , ≤ 5.15.* (semver)
Unaffected: 6.0.9 , ≤ 6.0.* (semver)
Unaffected: 6.1 , ≤ * (original_commit_for_fix)
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}


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Sightings

Author Source Type Date

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.