Improper Initialization Affecting kernel-docs package, versions <5.3.18-150200.24.191.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-SLES152-KERNELDOCS-6854941
  • published16 May 2024
  • disclosed14 May 2024

Introduced: 14 May 2024

CVE-2021-47194  (opens in a new tab)
CWE-665  (opens in a new tab)

How to fix?

Upgrade SLES:15.2 kernel-docs to version 5.3.18-150200.24.191.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-docs package and not the kernel-docs package as distributed by SLES. See How to fix? for SLES:15.2 relevant fixed versions and status.

In the Linux kernel, the following vulnerability has been resolved:

cfg80211: call cfg80211_stop_ap when switch from P2P_GO type

If the userspace tools switch from NL80211_IFTYPE_P2P_GO to NL80211_IFTYPE_ADHOC via send_msg(NL80211_CMD_SET_INTERFACE), it does not call the cleanup cfg80211_stop_ap(), this leads to the initialization of in-use data. For example, this path re-init the sdata->assigned_chanctx_list while it is still an element of assigned_vifs list, and makes that linked list corrupt.

CVSS Scores

version 3.1