CVE-2017-7541
HIGHCVSS 7.8/10EPSS 0.55%
Last modified
CVE-2017-7541 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. The brcmf_cfg80211_mgmt_tx function in drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c in the Linux kernel before 4.12.3 allows local users to cause a denial of service (buffer overflow and system crash) or possibly gain privileges via a crafted NL80211_CMD_FRAME Netlink packet.. EPSS estimates a 0.55% chance of exploitation in the next 30 days.
Description
The brcmf_cfg80211_mgmt_tx function in drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c in the Linux kernel before 4.12.3 allows local users to cause a denial of service (buffer overflow and system crash) or possibly gain privileges via a crafted NL80211_CMD_FRAME Netlink packet.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 3.9, < 3.10.108 |
| Linux | Linux Kernel | >= 3.11, < 3.16.48 |
| Linux | Linux Kernel | >= 3.17, < 3.18.62 |
| Linux | Linux Kernel | >= 3.19, < 4.1.43 |
| Linux | Linux Kernel | >= 4.2, < 4.4.78 |
| Linux | Linux Kernel | >= 4.5, < 4.9.39 |
| Linux | Linux Kernel | >= 4.10, < 4.11.12 |
| Linux | Linux Kernel | >= 4.12, < 4.12.3 |
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8f44c9a41386729fea410e688959ddaa9d51be7cIssue Tracking, Patch, Third Party Advisory
- http://openwall.com/lists/oss-security/2017/07/24/2Mailing List, Patch, Third Party Advisory
- http://www.debian.org/security/2017/dsa-3927Third Party Advisory
- http://www.debian.org/security/2017/dsa-3945Third Party Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.3Release Notes, Vendor Advisory
- http://www.securityfocus.com/bid/99955Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038981Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:2863Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2918Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2930Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2931Third Party Advisory
- https://bugzilla.novell.com/show_bug.cgi?id=1049645Issue Tracking, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1473198Issue Tracking, Patch, Third Party Advisory
- https://github.com/torvalds/linux/commit/8f44c9a41386729fea410e688959ddaa9d51be7cIssue Tracking, Patch, Third Party Advisory
- https://source.android.com/security/bulletin/2017-11-01Third Party Advisory
- https://www.spinics.net/lists/stable/msg180994.htmlPatch, Third Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8f44c9a41386729fea410e688959ddaa9d51be7cIssue Tracking, Patch, Third Party Advisory
- http://openwall.com/lists/oss-security/2017/07/24/2Mailing List, Patch, Third Party Advisory
- http://www.debian.org/security/2017/dsa-3927Third Party Advisory
- http://www.debian.org/security/2017/dsa-3945Third Party Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.3Release Notes, Vendor Advisory
- http://www.securityfocus.com/bid/99955Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038981Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:2863Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2918Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2930Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2931Third Party Advisory
- https://bugzilla.novell.com/show_bug.cgi?id=1049645Issue Tracking, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1473198Issue Tracking, Patch, Third Party Advisory
- https://github.com/torvalds/linux/commit/8f44c9a41386729fea410e688959ddaa9d51be7cIssue Tracking, Patch, Third Party Advisory
- https://source.android.com/security/bulletin/2017-11-01Third Party Advisory
- https://www.spinics.net/lists/stable/msg180994.htmlPatch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2017-7541?
The brcmf_cfg80211_mgmt_tx function in drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c in the Linux kernel before 4.12.3 allows local users to cause a denial of service (buffer overflow and system crash) or possibly gain privileges via a crafted NL80211_CMD_FRAME Netlink packet.
How severe is CVE-2017-7541?
CVE-2017-7541 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.55% probability of exploitation in the next 30 days.
How do I fix CVE-2017-7541?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2017-7541?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST