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CVE-2026-29111

MEDIUM

5.5

Descricao

systemd, a system and service manager, (as PID 1) hits an assert and freezes execution when an unprivileged IPC API call is made with spurious data. On version v249 and older the effect is not an assert, but stack overwriting, with the attacker controlled content. From version v250 and newer this is not possible as the safety check causes an assert instead. This IPC call was added in v239, so versions older than that are not affected. Versions 260-rc1, 259.2, 258.5, and 257.11 contain patches. No known workarounds are available.

Detalhes CVE

Pontuacao CVSS v3.15.5

SeveridadeMEDIUM

Vetor CVSSCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Vetor de ataqueLOCAL

ComplexidadeLOW

Privilegios necessariosLOW

Interacao do usuarioNONE

Publicado3/23/2026

Ultima modificacao3/24/2026

Fontenvd

Avistamentos honeypot0

Fraquezas (CWE)

CWE-269

Referencias

https://github.com/systemd/systemd/commit/1d22f706bd04f45f8422e17fbde3f56ece17758a(security-advisories@github.com)

https://github.com/systemd/systemd/commit/20021e7686426052e3a7505425d7e12085feb2a6(security-advisories@github.com)

https://github.com/systemd/systemd/commit/21167006574d6b83813c7596759b474f56562412(security-advisories@github.com)

https://github.com/systemd/systemd/commit/3cee294fe8cf4fa0eff933ab21416d099942cabd(security-advisories@github.com)

https://github.com/systemd/systemd/commit/42aee39107fbdd7db1ccd402a2151822b2805e9f(security-advisories@github.com)

https://github.com/systemd/systemd/commit/54588d2dedff54bfb6036670820650e4ea74628f(security-advisories@github.com)

https://github.com/systemd/systemd/commit/7ac3220213690e8a8d6d2a6e81e43bd1dce01d69(security-advisories@github.com)

https://github.com/systemd/systemd/commit/80acea4ef80a4bb78560ed970c34952299b890d6(security-advisories@github.com)

https://github.com/systemd/systemd/commit/b5fd14693057e5f2c9b4a49603be64ec3608ff6c(security-advisories@github.com)

https://github.com/systemd/systemd/commit/efa6ba2ab625aaa160ac435a09e6482fc63bdbe8(security-advisories@github.com)

https://github.com/systemd/systemd/security/advisories/GHSA-gx6q-6f99-m764(security-advisories@github.com)

Correlacoes IOC

Sem correlacoes registradas

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