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CVE Vulnerability Details :
CVE-2026-43373
PUBLISHED
More InfoOfficial Page
Assigner-Linux
Assigner Org ID-416baaa9-dc9f-4396-8d5f-8c081fb06d67
View Known Exploited Vulnerability (KEV) details
Published At-08 May, 2026 | 14:21
Updated At-11 May, 2026 | 22:23
Rejected At-
▼CVE Numbering Authority (CNA)
net: ncsi: fix skb leak in error paths

In the Linux kernel, the following vulnerability has been resolved: net: ncsi: fix skb leak in error paths Early return paths in NCSI RX and AEN handlers fail to release the received skb, resulting in a memory leak. Specifically, ncsi_aen_handler() returns on invalid AEN packets without consuming the skb. Similarly, ncsi_rcv_rsp() exits early when failing to resolve the NCSI device, response handler, or request, leaving the skb unfreed.

Affected Products
Vendor
Linux Kernel Organization, IncLinux
Product
Linux
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Program Files
  • net/ncsi/ncsi-aen.c
  • net/ncsi/ncsi-rsp.c
Default Status
unaffected
Versions
Affected
  • From 138635cc27c9737f940c3aa80912ff7a61c825af before 9891d7f4f1ede473c54b49776ae07755083eef06 (git)
  • From 138635cc27c9737f940c3aa80912ff7a61c825af before fef5aa6e3bcf3c8053307642663a63b7362d7552 (git)
  • From 138635cc27c9737f940c3aa80912ff7a61c825af before 81d6aee32f8f7bbc175c05dbf61f4430bfb88c4a (git)
  • From 138635cc27c9737f940c3aa80912ff7a61c825af before 59962588197863d0d746879f193905c0c6b3df49 (git)
  • From 138635cc27c9737f940c3aa80912ff7a61c825af before 553366c271479c0d571dd1bb5d1bcde4747fb82e (git)
  • From 138635cc27c9737f940c3aa80912ff7a61c825af before b70c4e5e711931cdd56e6e905737b72f1e649189 (git)
  • From 138635cc27c9737f940c3aa80912ff7a61c825af before 87138dde2d6937b12b967f28fe598a7d59000ae4 (git)
  • From 138635cc27c9737f940c3aa80912ff7a61c825af before 5c3398a54266541610c8d0a7082e654e9ff3e259 (git)
Vendor
Linux Kernel Organization, IncLinux
Product
Linux
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Program Files
  • net/ncsi/ncsi-aen.c
  • net/ncsi/ncsi-rsp.c
Default Status
affected
Versions
Affected
  • 4.8
Unaffected
  • From 0 before 4.8 (semver)
  • From 5.10.253 through 5.10.* (semver)
  • From 5.15.203 through 5.15.* (semver)
  • From 6.1.167 through 6.1.* (semver)
  • From 6.6.130 through 6.6.* (semver)
  • From 6.12.78 through 6.12.* (semver)
  • From 6.18.19 through 6.18.* (semver)
  • From 6.19.9 through 6.19.* (semver)
  • From 7.0 through * (original_commit_for_fix)
Metrics
VersionBase scoreBase severityVector
3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://git.kernel.org/stable/c/9891d7f4f1ede473c54b49776ae07755083eef06
N/A
https://git.kernel.org/stable/c/fef5aa6e3bcf3c8053307642663a63b7362d7552
N/A
https://git.kernel.org/stable/c/81d6aee32f8f7bbc175c05dbf61f4430bfb88c4a
N/A
https://git.kernel.org/stable/c/59962588197863d0d746879f193905c0c6b3df49
N/A
https://git.kernel.org/stable/c/553366c271479c0d571dd1bb5d1bcde4747fb82e
N/A
https://git.kernel.org/stable/c/b70c4e5e711931cdd56e6e905737b72f1e649189
N/A
https://git.kernel.org/stable/c/87138dde2d6937b12b967f28fe598a7d59000ae4
N/A
https://git.kernel.org/stable/c/5c3398a54266541610c8d0a7082e654e9ff3e259
N/A
Hyperlink: https://git.kernel.org/stable/c/9891d7f4f1ede473c54b49776ae07755083eef06
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/fef5aa6e3bcf3c8053307642663a63b7362d7552
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/81d6aee32f8f7bbc175c05dbf61f4430bfb88c4a
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/59962588197863d0d746879f193905c0c6b3df49
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/553366c271479c0d571dd1bb5d1bcde4747fb82e
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/b70c4e5e711931cdd56e6e905737b72f1e649189
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/87138dde2d6937b12b967f28fe598a7d59000ae4
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/5c3398a54266541610c8d0a7082e654e9ff3e259
Resource: N/A
Details not found