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CVE-2022-49867

net: wwan: iosm: fix memory leak in ipc_wwan_dellink

Medium5.5EPSS 0.20%
Published
Updated
Reserved
Assigned by
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: net: wwan: iosm: fix memory leak in ipc_wwan_dellink IOSM driver registers network device without setting the needs_free_netdev flag, and does NOT call free_netdev() when unregisters network device, which causes a memory leak. This patch sets needs_free_netdev to true when registers network device, which makes netdev subsystem call free_netdev() automatically after unregister_netdevice().

Timeline

  1. ID reserved

    By Linux

  2. Published

  3. · 13 months later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2022-49867, by who scored it
Scored byCVSSScoreVector
CISA-ADPADP (enrichment)3.1Medium5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVDNVD · Modified3.1Medium5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS (exploitation in 30 days)
0.20% · top 90% 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 2a54f2c7793409736f2e5ea101e050b3f1997088 – < 2ce2348c2858d723f7fe389dead9b43b08e0944e
    • affected 2a54f2c7793409736f2e5ea101e050b3f1997088 – < 128514b51a5ba2c82f9e4a106f1c10423907618a
    • affected 2a54f2c7793409736f2e5ea101e050b3f1997088 – < f25caaca424703d5a0607310f0452f978f1f78d9

  • Linux · Linux

    • affected 5.14
    • unaffected < 5.14
    • unaffected 5.15.79 – ≤ 5.15.*
    • unaffected 6.0.9 – ≤ 6.0.*
    • unaffected 6.1 – ≤ *

References (3)

Sources

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

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Record last updated .