CVEvulnerability
CVE-2023-47233
4.3 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2023-11-03
- Last modified
- 2026-10-15
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 4.3 MEDIUM — CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 4.3 MEDIUM — CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-416
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.
Affected configurations
• linux linux kernel (<= 6.5.10)
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- https://bugzilla.suse.com/show_bug.cgi?id=1216702 Issue Tracking, Third Party Advisory
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0f7352557a35ab7888bc7831411ec8a3cbe20d78 git.kernel.org
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html lists.debian.org
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html lists.debian.org
- https://lore.kernel.org/all/20231104054709.716585-1-zyytlz.wz%40163.com/ Mailing List, Patch
- https://marc.info/?l=linux-kernel&m=169907678011243&w=2 Mailing List, Patch
- https://bugzilla.suse.com/show_bug.cgi?id=1216702 Issue Tracking, Third Party Advisory
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0f7352557a35ab7888bc7831411ec8a3cbe20d78 git.kernel.org
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html lists.debian.org
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html lists.debian.org
- https://lore.kernel.org/all/20231104054709.716585-1-zyytlz.wz%40163.com/ Mailing List, Patch
- https://marc.info/?l=linux-kernel&m=169907678011243&w=2 Mailing List, Patch
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html cert-portal.siemens.com