Vulnerability Name:

CVE-2017-7541

Assigned:2017-04-05
Published:2017-07-17
Updated:2017-12-07
Summary: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.
CVSS v3 Severity:7.8 High (CVSS v3 Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.5 Medium (Temporal CVSS v3 Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:R)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
6.2 Medium (CCN CVSS v3 Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
5.2 Medium (CCN Temporal CVSS v3 Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:R)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
6.8 Medium (REDHAT CVSS v3 Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H)
5.7 Medium (REDHAT Temporal CVSS v3 Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H/E:U/RL:O/RC:R)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): High
CVSS v2 Severity:7.2 High (CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
4.9 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-119
CWE-120
References:Source: CONFIRM
Type: VENDOR_ADVISORY
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8f44c9a41386729fea410e688959ddaa9d51be7c

Source: CONFIRM
Type: VENDOR_ADVISORY
http://openwall.com/lists/oss-security/2017/07/24/2

Source: DEBIAN
Type: UNKNOWN
DSA-3927

Source: DEBIAN
Type: UNKNOWN
DSA-3945

Source: CONFIRM
Type: VENDOR_ADVISORY
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.3

Source: BID
Type: VENDOR_ADVISORY
99955

Source: SECTRACK
Type: VENDOR_ADVISORY
1038981

Source: REDHAT
Type: UNKNOWN
RHSA-2017:2863

Source: REDHAT
Type: UNKNOWN
RHSA-2017:2918

Source: REDHAT
Type: UNKNOWN
RHSA-2017:2930

Source: REDHAT
Type: UNKNOWN
RHSA-2017:2931

Source: CONFIRM
Type: VENDOR_ADVISORY
https://bugzilla.novell.com/show_bug.cgi?id=1049645

Source: CONFIRM
Type: VENDOR_ADVISORY
https://bugzilla.redhat.com/show_bug.cgi?id=1473198

Source: XF
Type: UNKNOWN
linux-kernel-cve20177541-dos(129314)

Source: CONFIRM
Type: VENDOR_ADVISORY
https://github.com/torvalds/linux/commit/8f44c9a41386729fea410e688959ddaa9d51be7c

Source: CONFIRM
Type: UNKNOWN
https://source.android.com/security/bulletin/2017-11-01

Source: CONFIRM
Type: VENDOR_ADVISORY
https://www.spinics.net/lists/stable/msg180994.html

Vulnerable Configuration:Configuration 1:
  • cpe:/o:linux:linux_kernel:4.12.2:*:*:*:*:*:*:*

  • Configuration RedHat 1:
  • cpe:/o:redhat:enterprise_linux:6:*:*:*:*:*:*:*

  • Configuration RedHat 2:
  • cpe:/o:redhat:enterprise_linux:7:*:*:*:*:*:*:*

  • Configuration RedHat 3:
  • cpe:/a:redhat:rhel_extras_rt:7:*:*:*:*:*:*:*

  • Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:20177541
    V
    CVE-2017-7541
    2017-12-15
    oval:com.redhat.rhsa:def:20172931
    P
    RHSA-2017:2931: kernel-rt security and bug fix update (Important)
    2017-10-19
    oval:com.redhat.rhsa:def:20172930
    P
    RHSA-2017:2930: kernel security and bug fix update (Important)
    2017-10-19
    oval:com.redhat.rhsa:def:20172863
    P
    RHSA-2017:2863: kernel security and bug fix update (Moderate)
    2017-10-05
    oval:com.ubuntu.trusty:def:20177541000
    V
    CVE-2017-7541 on Ubuntu 14.04 LTS (trusty) - medium.
    2017-07-25
    oval:com.ubuntu.xenial:def:20177541000
    V
    CVE-2017-7541 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-07-25
    BACK
    linux linux_kernel 4.12.2
    redhat enterprise_linux 6
    redhat enterprise_linux 7
    redhat rhel_extras_rt 7