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CVE
PUBLISHED

CVE-2023-6356

Kernel: null pointer dereference in nvmet_tcp_build_iovec

Assignerredhat
Reserved2023-11-28
Published2024-02-07
Updated2024-07-08

Description

A flaw was found in the Linux kernel's NVMe driver. This issue may allow an unauthenticated malicious actor to send a set of crafted TCP packages when using NVMe over TCP, leading the NVMe driver to a NULL pointer dereference in the NVMe driver and causing kernel panic and a denial of service.



MEDIUM: 6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Problem types

NULL Pointer Dereference

Product status

Default status
affected

0:4.18.0-513.18.1.rt7.320.el8_9 before *
unaffected

Default status
affected

0:4.18.0-513.18.1.el8_9 before *
unaffected

Default status
affected

0:4.18.0-372.91.1.el8_6 before *
unaffected

Default status
affected

0:4.18.0-477.58.1.el8_8 before *
unaffected

Default status
affected

0:5.14.0-362.24.1.el9_3 before *
unaffected

Default status
affected

0:5.14.0-362.24.1.el9_3 before *
unaffected

Default status
affected

0:5.14.0-284.52.1.el9_2 before *
unaffected

Default status
affected

0:5.14.0-284.52.1.rt14.337.el9_2 before *
unaffected

Default status
affected

0:4.18.0-372.91.1.el8_6 before *
unaffected

Default status
affected

v5.8.6-22 before *
unaffected

Default status
affected

v5.8.6-11 before *
unaffected

Default status
affected

v6.8.1-407 before *
unaffected

Default status
affected

v5.8.6-19 before *
unaffected

Default status
affected

v1.0.0-479 before *
unaffected

Default status
affected

v5.8.6-7 before *
unaffected

Default status
affected

v0.4.0-247 before *
unaffected

Default status
affected

v5.8.6-5 before *
unaffected

Default status
affected

v1.1.0-227 before *
unaffected

Default status
affected

v5.8.1-470 before *
unaffected

Default status
affected

v2.9.6-14 before *
unaffected

Default status
affected

v5.8.6-2 before *
unaffected

Default status
affected

v5.8.6-24 before *
unaffected

Default status
affected

v5.8.6-10 before *
unaffected

Default status
affected

v0.1.0-525 before *
unaffected

Default status
affected

v0.1.0-224 before *
unaffected

Default status
affected

v0.28.1-56 before *
unaffected

Default status
unaffected

Default status
unaffected

Default status
unaffected

Default status
affected

Timeline

2023-12-11:Reported to Red Hat.
2023-12-11:Made public.

Credits

Red Hat would like to thank Alon Zahavi for reporting this issue.

References

https://access.redhat.com/errata/RHSA-2024:0723 (RHSA-2024:0723) vendor-advisory

https://access.redhat.com/errata/RHSA-2024:0724 (RHSA-2024:0724) vendor-advisory

https://access.redhat.com/errata/RHSA-2024:0725 (RHSA-2024:0725) vendor-advisory

https://access.redhat.com/errata/RHSA-2024:0881 (RHSA-2024:0881) vendor-advisory

https://access.redhat.com/errata/RHSA-2024:0897 (RHSA-2024:0897) vendor-advisory

https://access.redhat.com/errata/RHSA-2024:1248 (RHSA-2024:1248) vendor-advisory

https://access.redhat.com/errata/RHSA-2024:2094 (RHSA-2024:2094) vendor-advisory

https://access.redhat.com/errata/RHSA-2024:3810 (RHSA-2024:3810) vendor-advisory

https://access.redhat.com/security/cve/CVE-2023-6356 vdb-entry

https://bugzilla.redhat.com/show_bug.cgi?id=2254054 (RHBZ#2254054) issue-tracking

https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html

https://security.netapp.com/advisory/ntap-20240415-0002/

cve.org CVE-2023-6356

nvd.nist.gov CVE-2023-6356

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