CVE-2016-9555: linux linux_kernel Out-of-bounds Read
Vulnerability summary
CVE-2016-9555 is a high (CVSS 10.0) Out-of-bounds Read vulnerability in linux linux_kernel. EPSS estimates a 10.02% chance of exploitation in the next 30 days, higher than 95.6% of scored vulnerabilities.
Severe, CVSS 9.8 (NVD); no exploitation reported by the 5 checked sources; EPSS 10% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 38 · Related 33Timeline
- 28-11-2016PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
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 metrics
5 scores · 3 sources · 3 versions- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
10.02%
Chance of exploitation in the next 30 days
Percentile
96%
Versus all other CVEs
30-day change
No change 0.00 pp
From 10.02% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu21 products
- linux< 3.13.0-108.155 | < 4.4.0-57.78
- linux-azureAll versions (No fix recorded)
- linux-azure-6.11All versions (No fix recorded)
- linux-azure-fdeAll versions (No fix recorded)
- linux-azure-fde-5.15All versions (No fix recorded)
Debian1 product
- linux< 4.8.11-1
Linux1 product
- linux_kernel≥ 3.2, < 3.2.85 | ≥ 3.3, < 3.10.105 | ≥ 3.11, < 3.12.68 | ≥ 3.13, < 3.16.40 | ≥ 3.17, < 3.18.49 | ≥ 3.19, < 4.4.32 | ≥ 4.5.0, < 4.8.8
3 vendors · 23 products
References
36 links- lists.opensuse.org/opensuse-security-announce/2016-12/msg00044.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-12/msg00077.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-12/msg00067.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-12/msg00056.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-12/msg00073.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- github.com/torvalds/linux/commit/bf911e985d6bbaa328c20c3e05f4eb03de11fdd6X Refsource CONFIRMIssue TrackingPatchThird Party Advisory
Show all 36 references
- groups.google.com/forum/X Refsource CONFIRM
- lists.opensuse.org/opensuse-security-announce/2016-12/msg00087.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-12/msg00070.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-12/msg00055.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-12/msg00054.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-12/msg00076.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
