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CVE PROGRAM SOURCE RECORD7.1 High

CVE-2026-81007

ipmi: ipmb: validate write message length

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Status
Published
Published
Updated
Assigning organization
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: ipmi: ipmb: validate write message length ipmb_write() read message fields before validating the length byte. A zero or short write can read uninitialized stack bytes. A length smaller than the SMBus header underflows the block write length. Require a non-empty buffer and the minimum IPMB request length. Also require the length byte plus payload before parsing the message.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 51bd6f291583684f495ea498984dfc22049d7fd2 to < 8990c7f6bfc1e7689b7012a7d4d0efb9f07a9c89affected
  • 51bd6f291583684f495ea498984dfc22049d7fd2 to < 94f8d20153e348c79bc14dc25f873470518892daaffected
  • 51bd6f291583684f495ea498984dfc22049d7fd2 to < e527cd4e80066e1ed070fdc7c705bde340cdcc62affected
  • 51bd6f291583684f495ea498984dfc22049d7fd2 to < 7d66d54b974cff0a959e188af844d2d110422767affected
  • 51bd6f291583684f495ea498984dfc22049d7fd2 to < 60939bcda6f3f104ef456fdbf3cc5733c0720fb1affected
  • 51bd6f291583684f495ea498984dfc22049d7fd2 to < 5719431ca2b5fa26560bb38f6202f8b97fa3bbb0affected
  • 51bd6f291583684f495ea498984dfc22049d7fd2 to < a84c6e3d188f2c6e674910929eb790634299d6d5affected
  • 51bd6f291583684f495ea498984dfc22049d7fd2 to < 53637506884dbd5c91a89b1a3547d99d80f8ed2caffected

Linux Linux

Default version status: affected

  • 5.3affected
  • 0 to < 5.3unaffected
  • 5.10.270 to ≤ 5.10.*unaffected
  • 5.15.221 to ≤ 5.15.*unaffected
  • 6.1.188 to ≤ 6.1.*unaffected
  • 6.6.157 to ≤ 6.6.*unaffected
  • 6.12.109 to ≤ 6.12.*unaffected
  • 6.18.50 to ≤ 6.18.*unaffected
  • 7.2.4 to ≤ 7.2.*unaffected
  • 7.3 to ≤ *unaffected

References