CVE-2022-49731 (GCVE-0-2022-49731)

Vulnerability from cvelistv5 – Published: 2025-02-26 02:24 – Updated: 2025-12-23 13:25
VLAI?
Title
ata: libata-core: fix NULL pointer deref in ata_host_alloc_pinfo()
Summary
In the Linux kernel, the following vulnerability has been resolved: ata: libata-core: fix NULL pointer deref in ata_host_alloc_pinfo() In an unlikely (and probably wrong?) case that the 'ppi' parameter of ata_host_alloc_pinfo() points to an array starting with a NULL pointer, there's going to be a kernel oops as the 'pi' local variable won't get reassigned from the initial value of NULL. Initialize 'pi' instead to '&ata_dummy_port_info' to fix the possible kernel oops for good... Found by Linux Verification Center (linuxtesting.org) with the SVACE static analysis tool.
Severity ?
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: f5cda257296fbd3683b1f568f2d94d3caaacf74d , < ca4693e6e06e4fd2b240c0fec47aa2498c94848e (git)
Affected: f5cda257296fbd3683b1f568f2d94d3caaacf74d , < 1ac5efee33f29e704226506d429b84575a5d66f8 (git)
Affected: f5cda257296fbd3683b1f568f2d94d3caaacf74d , < a810bd5af06977a847d1f202b22d7defd5c62497 (git)
Affected: f5cda257296fbd3683b1f568f2d94d3caaacf74d , < 253334f84c81bc6a43af489f108c0bddad989eef (git)
Affected: f5cda257296fbd3683b1f568f2d94d3caaacf74d , < 36cd19e7d4e5571d77a2ed20c5b6ef50cf57734a (git)
Affected: f5cda257296fbd3683b1f568f2d94d3caaacf74d , < ff128fbea720bf763fa345680dda5f050bc24a47 (git)
Affected: f5cda257296fbd3683b1f568f2d94d3caaacf74d , < 07cbdb4807d369fbda73062a91b570c4dc5ec429 (git)
Affected: f5cda257296fbd3683b1f568f2d94d3caaacf74d , < bf476fe22aa1851bab4728e0c49025a6a0bea307 (git)
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    Linux Linux Affected: 2.6.22
Unaffected: 0 , < 2.6.22 (semver)
Unaffected: 4.9.320 , ≤ 4.9.* (semver)
Unaffected: 4.14.285 , ≤ 4.14.* (semver)
Unaffected: 4.19.249 , ≤ 4.19.* (semver)
Unaffected: 5.4.200 , ≤ 5.4.* (semver)
Unaffected: 5.10.124 , ≤ 5.10.* (semver)
Unaffected: 5.15.49 , ≤ 5.15.* (semver)
Unaffected: 5.18.6 , ≤ 5.18.* (semver)
Unaffected: 5.19 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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