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UBUNTU-CVE-2026-98375 (CVE-2026-98375)

Vulnerability from osv_ubuntu – Published: 2026-10-09 08:16 – Updated: 2026-10-19 08:09 – Source website

Details

In the Linux kernel, the following vulnerability has been resolved: xen/netfront: drop RX packets with a short Ethernet header handle_incoming_queue() pulls pull_to bytes into the head before calling eth_type_trans(). pull_to is the length of the first RX slot, capped at RX_COPY_THRESHOLD, and that length comes from the backend. Nothing checks it against ETH_HLEN. If the first slot is shorter than ETH_HLEN and more slots follow, the head ends up shorter than an Ethernet header while skb->len is longer, and eth_type_trans() BUG()s in __skb_pull(). If the whole packet is shorter than ETH_HLEN, eth_type_trans() reads the header past the end of the data instead. Pull at least ETH_HLEN, and drop the packet if that fails, which also drops packets too short to hold an Ethernet header. This also checks the return value of the pull, which was ignored.

Severity

N/A (UNKNOWN)

low

References

URL

Type

	https://ubuntu.com/security/CVE-2026-98375	REPORT
	https://www.cve.org/CVERecord?id=CVE-2026-98375	REPORT
	https://git.kernel.org/stable/c/089e58805c452e521…	REPORT
	https://git.kernel.org/stable/c/72d2f54367895d6e2…	REPORT
	https://git.kernel.org/stable/c/e2b721bc30f40ffa7…	REPORT
	http://www.openwall.com/lists/oss-security/2026/10/09/3	REPORT
	http://xenbits.xen.org/xsa/advisory-522.html	REPORT

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CVE-2026-98375 (GCVE-0-2026-98375)

Vulnerability from cvelistv5 – Published: 2026-10-09 07:10 – Updated: 2026-10-11 13:47

Title

xen/netfront: drop RX packets with a short Ethernet header

Summary

Severity

No CVSS data available.

Assigner

Linux mitre root Scorecard

References

5 references

URL	Tags
https://git.kernel.org/stable/c/72d2f54367895d6e2…
https://git.kernel.org/stable/c/e2b721bc30f40ffa7…
https://git.kernel.org/stable/c/089e58805c452e521…
http://xenbits.xen.org/xsa/advisory-522.html
http://www.openwall.com/lists/oss-security/2026/10/09/3

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 0d160211965b79de989cf2d170985abeb8da5ec6 , < 72d2f54367895d6e236b9857892e2e6b6036e067 (git) Affected: 0d160211965b79de989cf2d170985abeb8da5ec6 , < e2b721bc30f40ffa7ccc36a56d4e8990b8c0538e (git) Affected: 0d160211965b79de989cf2d170985abeb8da5ec6 , < 089e58805c452e52179482b1025a8e309a57f801 (git)
Linux	Linux	Affected: 2.6.23 Unaffected: 0 , < 2.6.23 (semver) Unaffected: 6.18.56 , ≤ 6.18.* (semver) Unaffected: 7.2.10 , ≤ 7.2.* (semver) Unaffected: 7.3-rc7 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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UBUNTU-CVE-2026-98375 (CVE-2026-98375)

CVE-2026-98375 (GCVE-0-2026-98375)

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