How severe is CVE-2026-23418?

CVE-2026-23418 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-23418 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-23418?

CVE-2026-23418 primarily affects Linux Linux Kernel. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-23418?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-23418 have an EU (EUVD) identifier?

Yes. CVE-2026-23418 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-18634.

When was CVE-2026-23418 published?

CVE-2026-23418 was published on 2026-04-03 and last updated on 2026-06-17.

CVE-2026-23418

CVE-2026-23418 is a medium-severity vulnerability in Linux Linux Kernel with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-401.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-18634
Weakness: CWE-401
Affected product: Linux Linux Kernel
Published: 2026-04-03
Last modified: 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: drm/xe/reg_sr: Fix leak on xa_store failure Free the newly allocated entry when xa_store() fails to avoid a memory leak on the error path. v2: use goto fail_free. (Bala) (cherry picked from commit 6bc6fec71ac45f52db609af4e62bdb96b9f5fadb)

Frequently asked questions

What is CVE-2026-23418?: In the Linux kernel, the following vulnerability has been resolved: drm/xe/reg_sr: Fix leak on xa_store failure Free the newly allocated entry when xa_store() fails to avoid a memory leak on the error path. v2: use goto fail_free. (Bala) (cherry picked from commit 6bc6fec71ac45f52db609af4e62bdb96b9f5fadb)
How severe is CVE-2026-23418?: CVE-2026-23418 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-23418 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-23418?: CVE-2026-23418 primarily affects Linux Linux Kernel. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-23418?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-23418 have an EU (EUVD) identifier?: Yes. CVE-2026-23418 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-18634.
When was CVE-2026-23418 published?: CVE-2026-23418 was published on 2026-04-03 and last updated on 2026-06-17.

References

Affected products (9)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:-:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc6:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc7:*:*:*:*:*:*

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