CVE-2017-7477
Publication date 25 April 2017
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
Heap-based buffer overflow in drivers/net/macsec.c in the MACsec module in the Linux kernel through 4.10.12 allows attackers to cause a denial of service or possibly have unspecified other impact by leveraging the use of a MAX_SKB_FRAGS+1 size in conjunction with the NETIF_F_FRAGLIST feature, leading to an error in the skb_to_sgvec function.
From the Ubuntu Security Team
Jason Donenfeld discovered a heap overflow in the MACsec module in the Linux kernel. An attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code.
Mitigation
Blacklist the MACsec kernel module
Status
Package | Ubuntu Release | Status |
---|---|---|
linux | ||
16.04 LTS xenial |
Not affected
|
|
14.04 LTS trusty |
Not affected
|
|
linux-armadaxp | ||
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-aws | ||
16.04 LTS xenial |
Not affected
|
|
14.04 LTS trusty |
Not affected
|
|
linux-flo | ||
16.04 LTS xenial |
Not affected
|
|
14.04 LTS trusty | Not in release | |
linux-gke | ||
16.04 LTS xenial |
Not affected
|
|
14.04 LTS trusty | Not in release | |
linux-goldfish | ||
16.04 LTS xenial |
Not affected
|
|
14.04 LTS trusty | Not in release | |
linux-grouper | ||
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-hwe | ||
16.04 LTS xenial |
Fixed 4.8.0-52.55~16.04.1
|
|
14.04 LTS trusty | Not in release | |
linux-hwe-edge | ||
16.04 LTS xenial |
Fixed 4.8.0-52.55~16.04.1
|
|
14.04 LTS trusty | Not in release | |
linux-linaro-omap | ||
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-linaro-shared | ||
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-linaro-vexpress | ||
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-lts-quantal | ||
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-lts-raring | ||
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-lts-saucy | ||
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-lts-trusty | ||
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-lts-utopic | ||
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-lts-vivid | ||
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-lts-wily | ||
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-lts-xenial | ||
16.04 LTS xenial | Not in release | |
14.04 LTS trusty |
Not affected
|
|
linux-maguro | ||
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-mako | ||
16.04 LTS xenial |
Not affected
|
|
14.04 LTS trusty | Not in release | |
linux-manta | ||
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-qcm-msm | ||
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-raspi2 | ||
16.04 LTS xenial |
Not affected
|
|
14.04 LTS trusty | Not in release | |
linux-snapdragon | ||
16.04 LTS xenial |
Not affected
|
|
14.04 LTS trusty | Not in release | |
linux-ti-omap4 | ||
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
Patch details
Package | Patch details |
---|---|
linux |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.0 · High |
Attack vector | Local |
Attack complexity | High |
Privileges required | Low |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
References
Related Ubuntu Security Notices (USN)
- USN-3292-2
- Linux kernel (HWE) vulnerability
- 17 May 2017
- USN-3293-1
- Linux kernel vulnerabilities
- 17 May 2017
- USN-3292-1
- Linux kernel vulnerability
- 17 May 2017