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CVE-2026-98893

CVE-2026-98893 · firmware: arm_scmi: Validate SENSOR_UPDATE payload size

This page contains facts from public vulnerability sources. Check the original advisory before updating.

In the Linux kernel, the following vulnerability has been resolved: firmware: arm_scmi: Validate SENSOR_UPDATE payload size SENSOR_UPDATE carries one or more sensor readings after the fixed notification header. The parser derives the expected reading count from the sensor description, but it did not verify that the received payload contains those entries before parsing them. Reject truncated update notifications before reading the variable array.

EPSS 0.2% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • linux

    Versions
    • ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < e543d60f966a5f5c92298720c2fd1810f85a6be3: Affected (git)
    • ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 87a72e75f7560ea45cd28870194eaa153dd19e75: Affected (git)
    • ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 1bbe431fc59704d012660647516f6f94ddd82564: Affected (git)
    • ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < c148ff2f5a168e0bc41d801efca6ee35a376cfcb: Affected (git)
    • ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 767789a58ae0d65ec3028e5b5b4da82210355d00: Affected (git)
    • ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 32bc5496b48174dbca1f187f710955ee4d9527a1: Affected (git)
    • ≥ 0, < 5.15.222: Affected (semver)
    • ≥ 0, < 6.1.189: Affected (semver)
    • ≥ 0, < 6.6.158: Affected (semver)
    • ≥ 0, < 6.12.111: Affected (semver)
    • ≥ 0, < 6.18.53: Affected (semver)

    Update to 5.15.222; Update to 87a72e75f7560ea45cd28870194eaa153dd19e75

  • linux

    Versions
    • ≥ 5.15.222, ≤ 5.15.*: Not affected (semver)
    • ≥ 6.1.189, ≤ 6.1.*: Not affected (semver)
    • ≥ 6.6.158, ≤ 6.6.*: Not affected (semver)
    • ≥ 6.12.111, ≤ 6.12.*: Not affected (semver)
    • ≥ 6.18.53, ≤ 6.18.*: Not affected (semver)
    • ≥ 7.2: Not affected (original_commit_for_fix)

    No fix published

  • linux Debian:12

    Versions
    • 6.1.106-1
    • 6.1.106-2
    • 6.1.106-3
    • 6.1.112-1
    • 6.1.115-1
    • 6.1.119-1
    • 6.1.123-1
    • 6.1.124-1
    • 6.1.128-1
    • 6.1.129-1
    • 6.1.133-1
    • 6.1.135-1
    • 6.1.137-1
    • 6.1.139-1
    • 6.1.140-1
    • 6.1.147-1
    • 6.1.148-1
    • 6.1.153-1
    • 6.1.158-1
    • 6.1.159-1
    • 6.1.162-1
    • 6.1.164-1
    • 6.1.170-1
    • 6.1.170-2
    • 6.1.170-3
    • 6.1.172-1
    • 6.1.174-1
    • 6.1.176-1
    • 6.1.177-1
    • 6.1.180-1
    • 6.1.187-1
    • 6.1.27-1
    • 6.1.37-1
    • 6.1.38-1
    • 6.1.38-2
    • 6.1.38-2~bpo11+1
    • 6.1.38-3
    • 6.1.38-4
    • 6.1.38-4~bpo11+1
    • 6.1.52-1
    • 6.1.55-1
    • 6.1.55-1~bpo11+1
    • 6.1.64-1
    • 6.1.66-1
    • 6.1.67-1
    • 6.1.69-1
    • 6.1.69-1~bpo11+1
    • 6.1.76-1
    • 6.1.76-1~bpo11+1
    • 6.1.82-1
    • 6.1.85-1
    • 6.1.90-1
    • 6.1.90-1~bpo11+1
    • 6.1.94-1
    • 6.1.94-1~bpo11+1
    • 6.1.98-1
    • 6.1.99-1
    Affected ranges
    • ECOSYSTEM: < 6.1.190-1

    Update to 6.1.190-1

  • linux Debian:13

    Versions
    • 6.12.100-1
    • 6.12.101-1
    • 6.12.105-1
    • 6.12.107-1
    • 6.12.38-1
    • 6.12.41-1
    • 6.12.43-1
    • 6.12.43-1~bpo12+1
    • 6.12.48-1
    • 6.12.57-1
    • 6.12.57-1~bpo12+1
    • 6.12.63-1
    • 6.12.63-1~bpo12+1
    • 6.12.69-1
    • 6.12.69-1~bpo12+1
    • 6.12.73-1
    • 6.12.73-1~bpo12+1
    • 6.12.74-1
    • 6.12.74-2
    • 6.12.74-2~bpo12+1
    • 6.12.85-1
    • 6.12.85-1~bpo12+1
    • 6.12.86-1
    • 6.12.86-1~bpo12+1
    • 6.12.88-1
    • 6.12.88-1~bpo12+1
    • 6.12.90-1
    • 6.12.90-1~bpo12+1
    • 6.12.90-2
    • 6.12.90-2~bpo12+1
    • 6.12.94-1
    • 6.12.94-1~bpo12+1
    • 6.12.95-1
    • 6.12.95-1~bpo12+1
    • 6.12.96-1
    Affected ranges
    • ECOSYSTEM: < 6.12.111-1

    Update to 6.12.111-1

  • linux Debian:14

    Versions
    • 6.12.100-1
    • 6.12.101-1
    • 6.12.105-1
    • 6.12.107-1
    • 6.12.111-1
    • 6.12.113-1
    • 6.12.38-1
    • 6.12.41-1
    • 6.12.43-1
    • 6.12.43-1~bpo12+1
    • 6.12.48-1
    • 6.12.57-1
    • 6.12.57-1~bpo12+1
    • 6.12.63-1
    • 6.12.63-1~bpo12+1
    • 6.12.69-1
    • 6.12.69-1~bpo12+1
    • 6.12.73-1
    • 6.12.73-1~bpo12+1
    • 6.12.74-1
    • 6.12.74-2
    • 6.12.74-2~bpo12+1
    • 6.12.85-1
    • 6.12.85-1~bpo12+1
    • 6.12.86-1
    • 6.12.86-1~bpo12+1
    • 6.12.88-1
    • 6.12.88-1~bpo12+1
    • 6.12.90-1
    • 6.12.90-1~bpo12+1
    • 6.12.90-2
    • 6.12.90-2~bpo12+1
    • 6.12.94-1
    • 6.12.94-1~bpo12+1
    • 6.12.95-1
    • 6.12.95-1~bpo12+1
    • 6.12.96-1
    • 6.13.10-1~exp1
    • 6.13.11-1~exp1
    • 6.13.2-1~exp1
    • 6.13.3-1~exp1
    • 6.13.4-1~exp1
    • 6.13.5-1~exp1
    • 6.13.6-1~exp1
    • 6.13.7-1~exp1
    • 6.13.8-1~exp1
    • 6.13.9-1~exp1
    • 6.13~rc6-1~exp1
    • 6.13~rc7-1~exp1
    • 6.14.3-1~exp1
    • 6.14.5-1~exp1
    • 6.14.6-1~exp1
    • 6.15-1~exp1
    • 6.15.1-1~exp1
    • 6.15.2-1~exp1
    • 6.15.3-1~exp1
    • 6.15.4-1~exp1
    • 6.15.5-1~exp1
    • 6.15.6-1~exp1
    • 6.15~rc7-1~exp1
    • 6.16-1~exp1
    • 6.16.1-1~exp1
    • 6.16.10-1
    • 6.16.11-1
    • 6.16.12-1
    • 6.16.12-1~bpo13+1
    • 6.16.12-2
    • 6.16.3-1
    • 6.16.3-1~bpo13+1
    • 6.16.5-1
    • 6.16.6-1
    • 6.16.7-1
    • 6.16.8-1
    • 6.16.9-1
    • 6.16~rc7-1~exp1
    • 6.17.10-1
    • 6.17.11-1
    • 6.17.12-1
    • 6.17.13-1
    • 6.17.13-1~bpo13+1
    • 6.17.2-1~exp1
    • 6.17.5-1~exp1
    • 6.17.6-1
    • 6.17.7-1
    • 6.17.7-2
    • 6.17.8-1
    • 6.17.8-1~bpo13+1
    • 6.17.9-1
    • 6.18.1-1~exp1
    • 6.18.10-1
    • 6.18.12-1
    • 6.18.12-1~bpo13+1
    • 6.18.13-1
    • 6.18.14-1
    • 6.18.15-1
    • 6.18.15-1~bpo13+1
    • 6.18.2-1~exp1
    • 6.18.3-1
    • 6.18.5-1
    • 6.18.5-1~bpo13+1
    • 6.18.8-1
    • 6.18.9-1
    • 6.18.9-1~bpo13+1
    • 6.18~rc4-1~exp1
    • 6.18~rc4-1~exp2
    • 6.18~rc5-1~exp1
    • 6.18~rc6-1~exp1
    • 6.18~rc7-1~exp1
    • 6.19-1~exp1
    • 6.19.10-1
    • 6.19.10-1~bpo13+1
    • 6.19.11-1
    • 6.19.11-1~bpo13+1
    • 6.19.12-1
    • 6.19.13-1
    • 6.19.13-1~bpo13+1
    • 6.19.14-1
    • 6.19.14-1~bpo13+1
    • 6.19.2-1~exp1
    • 6.19.3-1~exp1
    • 6.19.4-1~exp1
    • 6.19.5-1~exp1
    • 6.19.6-1
    • 6.19.6-2
    • 6.19.6-2~bpo13+1
    • 6.19.8-1
    • 6.19.8-1~bpo13+1
    • 6.19~rc4-1~exp1
    • 6.19~rc5-1~exp1
    • 6.19~rc6-1~exp1
    • 6.19~rc7-1~exp1
    • 6.19~rc8-1~exp1
    • 7.0-1~exp1
    • 7.0.1-1~exp1
    • 7.0.10-1
    • 7.0.10-1~bpo13+1
    • 7.0.12-1
    • 7.0.12-2
    • 7.0.12-2~bpo13+1
    • 7.0.13-1
    • 7.0.13-1~bpo13+1
    • 7.0.14-1
    • 7.0.3-1
    • 7.0.4-1
    • 7.0.4-1~bpo13+1
    • 7.0.7-1
    • 7.0.7-1~bpo13+1
    • 7.0.9-1
    • 7.0.9-1~bpo13+1
    • 7.1.1-1~exp1
    • 7.1.10-1
    • 7.1.12-1
    • 7.1.13-1
    • 7.1.13-1~bpo13+1
    • 7.1.2-1~exp1
    • 7.1.3-1
    • 7.1.3-1+sunvdc
    • 7.1.3-1~bpo13+1
    • 7.1.4-1
    • 7.1.5-1
    • 7.1.6-1
    • 7.1.7-1
    • 7.1.7-1~bpo13+1
    • 7.1.8-1
    • 7.1.8-1~bpo13+1
    • 7.1.8-2
    • 7.1.9-1
    • 7.1.9-1+sparc64
    • 7.1~rc2-1~exp1
    • 7.1~rc3-1~exp1
    • 7.1~rc4-1~exp1
    • 7.1~rc4-1~exp2
    • 7.1~rc5-1~exp1
    • 7.1~rc7-1~exp1
    • 7.2.2-1~exp1
    • 7.2.3-1~exp1
    • 7.2.6-1~bpo13+1
    • 7.2~rc3-1~exp1
    • 7.2~rc5-1~exp1
    • 7.2~rc7-1~exp1
    Affected ranges
    • ECOSYSTEM: < 7.2.6-1

    Update to 7.2.6-1

Original sources

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