CVE-2026-98204: linux

CVSS: UnknownReceived
AliasesUBUNTU-CVE-2026-98204DEBIAN-CVE-2026-98204
Published 06-10-2026Last modified 19-10-2026
Open JSON

Vulnerability summary

CVE-2026-98204 is a vulnerability in linux with no CVSS score yet. EPSS estimates a 0.18% chance of exploitation in the next 30 days, higher than 7.6% of scored vulnerabilities.

Overall risk
0/100
0100
Minimal · default modelHow is this calculated?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
0.18%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 1
OPENSUSE-SU-2026:12131-1

Timeline

  1. 06-10-2026
    PublishedVulnerability first disclosed.
  2. 19-10-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: Input: rmi_smbus - fix out-of-bounds read in rmi_smb_write_block() When chunking writes into SMBus blocks in rmi_smb_write_block(), the loop calculates block_len using the original total length (len) instead of the remaining length (cur_len). If len is greater than 32 bytes (SMB_MAX_COUNT), block_len remains 32 for every iteration, even on the final partial chunk where fewer than 32 bytes remain. This causes smb_block_write() to read 32 bytes from the advanced data buffer pointer, reading past the end of the input buffer. Fix this by calculating block_len using cur_len and advancing the buffer and address pointers by block_len.

CVSS metrics

Risk metrics not yet published.

EPSS trend

Probability

0.18%

Chance of exploitation in the next 30 days

Percentile

8%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

06-10-202621-10-2026
EPSS score
0.18%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Ubuntu168 products
  • linuxAll versions (No fix recorded)
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded)
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian1 product
  • linuxAll versions (No fix recorded) | < 6.1.190-1 | < 6.12.113-1 | < 7.2.8-1
Linux1 product
  • linux≥ 82264d0cf7aef2247563c031ff2ab96579d5d0cc, < d01337c0892d1509500c727edf81380777c2dd0f | ≥ 82264d0cf7aef2247563c031ff2ab96579d5d0cc, < 7c800af1c6030a5f27d46ce7d6d5d75f9c1efaf8 | ≥ 82264d0cf7aef2247563c031ff2ab96579d5d0cc, < 29fbcf5834f0a7f74bfd017c07da2411b35a4e2a | ≥ 82264d0cf7aef2247563c031ff2ab96579d5d0cc, < 50dd585bee7669eb165e5defcc35d17f3822cfbb | ≥ 82264d0cf7aef2247563c031ff2ab96579d5d0cc, < e022538e13dd1c82af5ec25ac28f12ca0ab26160 | ≥ 82264d0cf7aef2247563c031ff2ab96579d5d0cc, < dc05ec97b8299e48e31367a9bc412c7e9c0e2b42 | ≥ 82264d0cf7aef2247563c031ff2ab96579d5d0cc, < 9f0ce5e162eed8b68345abe839c59768bc60f99a | ≥ 82264d0cf7aef2247563c031ff2ab96579d5d0cc, < 51cfe54f815ae175c7d1126b983d4d7c89715004 | 4.10

3 vendors · 170 products

References

12 links
Show all 12 references