In the Linux kernel before 5.1.13, there is a memory leak in drivers/scsi/libsas/sas_expander.c when SAS expander discovery fails. This will cause a BUG and denial of service.
Fix
Patch, vendor advisory and mitigation references on NVD 2
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3b0541791453fbe7f42867e310e0c9eb6295364d Patch, Third Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3b0541791453fbe7f42867e310e0c9eb6295364d Patch, Third Party Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 4.7 · linux, debian, redhatNVD modified 2026-10-08 21:17
Affected (CPE criteria) 4
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
References 14
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.13 Release Notes
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3b0541791453fbe7f42867e310e0c9eb6295364d Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/09/msg00014.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/09/msg00015.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/09/msg00025.html Mailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20191004-0001/ Third Party Advisory
- https://support.f5.com/csp/article/K52136304?utm_source=f5support&%3Butm_medium=RSS
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.13 Release Notes
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3b0541791453fbe7f42867e310e0c9eb6295364d Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/09/msg00014.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/09/msg00015.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/09/msg00025.html Mailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20191004-0001/ Third Party Advisory
- https://support.f5.com/csp/article/K52136304?utm_source=f5support&%3Butm_medium=RSS