CVE-2023-47233
- State
- Published
- Severity
- 4.3 Medium
- Published
- Nov 3, 2023
- Updated
- Oct 15, 2026
- Reserved
- Nov 3, 2023
Description
The brcm80211 component in the Linux kernel through 6.5.10 has a brcmf_cfg80211_detach use-after-free in the device unplugging (disconnect the USB by hotplug) code. For physically proximate attackers with local access, this "could be exploited in a real world scenario." This is related to brcmf_cfg80211_escan_timeout_worker in drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 4.3 Medium | CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | CISA-ADP |
Weaknesses
- CWE-416 Use After Free
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- https://bugzilla.suse.com/show_bug.cgi?id=1216702
- https://marc.info/?l=linux-kernel&m=169907678011243&w=2
- https://lore.kernel.org/all/20231104054709.716585-1-zyytlz.wz%40163.com/
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0f7352557a35ab7888bc7831411ec8a3cbe20d78
- [debian-lts-announce] 20240625 [SECURITY] [DLA 3842-1] linux-5.10 security updatemailing-list
- [debian-lts-announce] 20240627 [SECURITY] [DLA 3840-1] linux security updatemailing-list
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html
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