SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2016-9555

The sctp_sf_ootb function in net/sctp/sm_statefuns.c in the Linux kernel before 4.8.8 lacks chunk-length checking for the first chunk, which allows remote attackers to cause a denial of service (out-of-bounds slab access) or possibly have unspecified…

CRITICAL 9.8EPSS 9.14%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (9.14%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

The sctp_sf_ootb function in net/sctp/sm_statefuns.c in the Linux kernel before 4.8.8 lacks chunk-length checking for the first chunk, which allows remote attackers to cause a denial of service (out-of-bounds slab access) or possibly have unspecified other impact via crafted SCTP data.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
9.14% probability · 95th percentile
CISA KEV
Not listed
Weakness
CWE-125
Affected
linux/linux kernel
Source
cve@mitre.org

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.