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CVE-2021-47017

UNKNOWN
Published 2024-02-28T08:13:32.739Z
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No CVSS data available

Description

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

ath10k: Fix a use after free in ath10k_htc_send_bundle

In ath10k_htc_send_bundle, the bundle_skb could be freed by
dev_kfree_skb_any(bundle_skb). But the bundle_skb is used later
by bundle_skb->len.

As skb_len = bundle_skb->len, my patch replaces bundle_skb->len to
skb_len after the bundle_skb was freed.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Linux

Linux

Affected Versions:

c8334512f3dd1b94844baca629f9bedca4271593 c8334512f3dd1b94844baca629f9bedca4271593 c8334512f3dd1b94844baca629f9bedca4271593 c8334512f3dd1b94844baca629f9bedca4271593
Linux

Linux

Affected Versions:

5.8 0 5.10.37 5.11.21 5.12.4 5.13

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-66ww-hh28-59jg

Advisory Details

In the Linux kernel, the following vulnerability has been resolved: ath10k: Fix a use after free in ath10k_htc_send_bundle In ath10k_htc_send_bundle, the bundle_skb could be freed by dev_kfree_skb_any(bundle_skb). But the bundle_skb is used later by bundle_skb->len. As skb_len = bundle_skb->len, my patch replaces bundle_skb->len to skb_len after the bundle_skb was freed.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-47017
WEB https://git.kernel.org/stable/c/3b1ac40c6012140828caa79e592a438a18ebf71b
WEB https://git.kernel.org/stable/c/5e413c0831ff4700d1739db3fa3ae9f859744676
WEB https://git.kernel.org/stable/c/8392df5d7e0b6a7d21440da1fc259f9938f4dec3
WEB https://git.kernel.org/stable/c/8bb054fb336f4250002fff4e0b075221c05c3c65

Advisory provided by GitHub Security Advisory Database. Published: February 28, 2024, Modified: December 9, 2024

References

https://git.kernel.org/stable/c/8bb054fb336f4250002fff4e0b075221c05c3c65
https://git.kernel.org/stable/c/3b1ac40c6012140828caa79e592a438a18ebf71b
https://git.kernel.org/stable/c/5e413c0831ff4700d1739db3fa3ae9f859744676
https://git.kernel.org/stable/c/8392df5d7e0b6a7d21440da1fc259f9938f4dec3
Published: 2024-02-28T08:13:32.739Z
Last Modified: 2025-05-04T07:02:23.823Z
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