VulnerabilityPublished 18 Oct 2026Updated 21 Oct 2026

CVE-2026-98808: Linux kernel · net: systemport: Fix buffer overflow in bcm_sysport_get_stats()

Affects Linux kernelSource CVE Database V5

Not known to be exploited · fixed in faba9fdde480356f4a1d3b1a5713b7b354858a1c : update Linux kernel when convenient.

Data as of 26 Oct 2026, 14:18 UTC

Severity

Unrated

Rated by Threat Radar · CVSS not yet scored by NVD

EPSS: 0.1% chance of exploitation in 30 days – higher than 8% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch: Available – fixed in faba9fdde480356f4a1d3b1a5713b7b354858a1c, eb7b84af0ec5c71b4920e999611b466b3784496c, 96d8b26be5bc451188acdcee055948da45adbde0 +2

Exploitation evidence

Disclosed: evidence found.
CVE published 18 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponised: Public exploit code exists in Metasploit or Exploit-DB, or CISA SSVC or the CVSS exploit maturity reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

Product	Affected	Fixed in
LinuxLinux	Affected ≥ 10377ba7673d19e28d92846955d51f49acd25c35, < faba9fdde480356f4a1d3b1a5713b7b354858a1c	Fixed in faba9fdde480356f4a1d3b1a5713b7b354858a1c
LinuxLinux	Affected ≥ 10377ba7673d19e28d92846955d51f49acd25c35, < eb7b84af0ec5c71b4920e999611b466b3784496c	Fixed in eb7b84af0ec5c71b4920e999611b466b3784496c
LinuxLinux	Affected ≥ 10377ba7673d19e28d92846955d51f49acd25c35, < 96d8b26be5bc451188acdcee055948da45adbde0	Fixed in 96d8b26be5bc451188acdcee055948da45adbde0
LinuxLinux	Affected ≥ 10377ba7673d19e28d92846955d51f49acd25c35, < 96a2b042051553df0d9f03b518dd3b7105b36935	Fixed in 96a2b042051553df0d9f03b518dd3b7105b36935
LinuxLinux	Affected ≥ 10377ba7673d19e28d92846955d51f49acd25c35, < 29d1d35ad5ad379a904263ea1cd4ba1d71cd965f	Fixed in 29d1d35ad5ad379a904263ea1cd4ba1d71cd965f
LinuxLinux	Affected =4.14	Fixed in–

Description

In the Linux kernel, the following vulnerability has been resolved: net: systemport: Fix buffer overflow in bcm_sysport_get_stats() When running on SYSTEMPORT Lite, certain statistics are unsupported and skipped during bcm_sysport_get_stats(). The variable 'j' tracks the compacted index into the destination data buffer, whereas 'i' iterates over all elements in bcm_sysport_gstrings_stats. Because the buffer allocated by ethtool is sized only according to bcm_sysport_get_sset_count(), storing values at data[i] instead of data[j] writes past the allocated array bounds, leading to memory corruption. Fix this by writing to data[j] instead of data[i].

References

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