CVEvulnerability
CVE-2021-47017
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2024-02-28
- Last modified
- 2026-08-04
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
- 8.8 HIGH — CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-416
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.
Affected configurations
• linux linux kernel (>= 5.8 < 5.10.37)
• linux linux kernel (>= 5.11 < 5.11.21)
• linux linux kernel (>= 5.12 < 5.12.4)
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- https://git.kernel.org/stable/c/3b1ac40c6012140828caa79e592a438a18ebf71b Patch
- https://git.kernel.org/stable/c/5e413c0831ff4700d1739db3fa3ae9f859744676 Patch
- https://git.kernel.org/stable/c/8392df5d7e0b6a7d21440da1fc259f9938f4dec3 Patch
- https://git.kernel.org/stable/c/8bb054fb336f4250002fff4e0b075221c05c3c65 Patch
- https://git.kernel.org/stable/c/3b1ac40c6012140828caa79e592a438a18ebf71b Patch
- https://git.kernel.org/stable/c/5e413c0831ff4700d1739db3fa3ae9f859744676 Patch
- https://git.kernel.org/stable/c/8392df5d7e0b6a7d21440da1fc259f9938f4dec3 Patch
- https://git.kernel.org/stable/c/8bb054fb336f4250002fff4e0b075221c05c3c65 Patch