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CVE-2024-26760

Linux Kernel NULL pointer dereference

9.8 CRITICALEPSS 0.65%
  1. Published3 Apr 2024

Description

In the Linux kernel, the following vulnerability has been resolved: scsi: target: pscsi: Fix bio_put() for error case As of commit 066ff571011d ("block: turn bio_kmalloc into a simple kmalloc wrapper"), a bio allocated by bio_kmalloc() must be freed by bio_uninit() and kfree(). That is not done properly for the error case, hitting WARN and NULL pointer dereference in bio_free().

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Linux Kernel≥ 5.19 < 6.1.80 · ≥ 6.2 < 6.6.19 · ≥ 6.7 < 6.7.7 · 6.8

Remediation

Fixed in
Linux Kernel≥ 6.1.80

References

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Frequently asked

Is CVE-2024-26760 being actively exploited?

CVE-2024-26760 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.65%.

How severe is CVE-2024-26760?

CVE-2024-26760 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.65% probability of exploitation.

Which products are affected by CVE-2024-26760?

Affected products include Linux Kernel.

How do I fix CVE-2024-26760?

Upgrade affected software to a fixed version, for example Linux Kernel 6.1.80 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.