Description
A slab-out-of-bound read problem was found in brcmf_get_assoc_ies in drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c in the Linux Kernel. This issue could occur when assoc_info->req_len data is bigger than the size of the buffer, defined as WL_EXTRA_BUF_MAX, leading to a denial of service.
CVSS breakdown
CVSS 3.1
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
High
Affected products
- Canonical / Ubuntu Linux16.04 – 16.04
- Canonical / Ubuntu Linux22.04 – 22.04
- Canonical / Ubuntu Linux20.04 – 20.04
- Canonical / Ubuntu Linux18.04 – 18.04
- Canonical / Ubuntu Linux14.04 – 14.04
- Debian / debian_linux10.0 – 10.0
- Debian / debian_linux11.0 – 11.0
- Linux / Linux kernel6.3 – 6.3
- Linux / Linux kernel6.3 – 6.3
- Linux / Linux kernel6.3 – 6.3
- Linux / Linux kernel6.3 – 6.3
- Linux / Linux kernel6.3 – 6.3
- Linux / Linux kernel6.3 – 6.3
- Linux / Linux kernel3.2.1 – 4.14.315
- Linux / Linux kernel6.3 – 6.3
- Linux / Linux kernel6.3 – 6.3
- NetApp / h300s_firmware
- NetApp / h410c_firmware
- NetApp / h410s_firmware
- NetApp / h500s_firmware
- NetApp / h700s_firmware
- RedHat / enterprise_linux8.0 – 8.0
- RedHat / enterprise_linux9.0 – 9.0
References
- MISChttps://bugzilla.redhat.com/show_bug.cgi?id=2177883
- MISChttps://lore.kernel.org/linux-wireless/20230309104457.22628-1-jisoo.jang%40yonsei.ac.kr/T/#u
- MAILING_LISThttps://www.openwall.com/lists/oss-security/2023/03/14/1
- MISChttps://security.netapp.com/advisory/ntap-20230511-0001/
- EXPLOIThttp://packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html
- EXPLOIThttp://packetstormsecurity.com/files/173757/Kernel-Live-Patch-Security-Notice-LSN-0096-1.html
- MAILING_LISThttps://lists.debian.org/debian-lts-announce/2023/07/msg00030.html
- VENDOR_ADVISORYhttps://www.debian.org/security/2023/dsa-5480
- MAILING_LISThttps://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
Updated 12m ago · 8 sources