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CVE-2022-50107

cifs: Fix memory leak when using fscache

Medium5.5EPSS 0.19%
Published
Updated
Reserved
Assigned by
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix memory leak when using fscache If we hit the 'index == next_cached' case, we leak a refcount on the struct page. Fix this by using readahead_folio() which takes care of the refcount for you.

Scores

CVSS scores of CVE-2022-50107, by who scored it
Scored byCVSSScoreVector
NVDNVD · Analyzed3.1Medium5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS (exploitation in 30 days)
0.19% · top 91% of all CVEs (7 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.

Weakness

Affected products

  • Linux · Linux

    • affected 0174ee9947bd0f24fee2794b35258960d108b7aa – < 7105b4047481bc2950fb767cff328d8b75292c0f
    • affected 0174ee9947bd0f24fee2794b35258960d108b7aa – < ae497726cd090673a4d20ac725ccc2de8067a7a5
    • affected 0174ee9947bd0f24fee2794b35258960d108b7aa – < c6f62f81b488d00afaa86bae26c6ce9ab12c709e

  • Linux · Linux

    • affected 5.17
    • unaffected < 5.17
    • unaffected 5.18.18 – ≤ 5.18.*
    • unaffected 5.19.2 – ≤ 5.19.*
    • unaffected 6.0 – ≤ *

References (3)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2022-50107 badge
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Record last updated .