How severe is CVE-2008-2544?

CVE-2008-2544 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 high, and availability none.

Is CVE-2008-2544 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-2544?

CVE-2008-2544 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2008-2544?

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

When was CVE-2008-2544 published?

CVE-2008-2544 was published on 2021-05-27 and last updated on 2026-06-16.

CVE-2008-2544

CVE-2008-2544 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-668.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-668
Affected product: Linux Linux Kernel
Published: 2021-05-27
Last modified: 2026-06-16

Description

Mounting /proc filesystem via chroot command silently mounts it in read-write mode. The user could bypass the chroot environment and gain write access to files, he would never have otherwise.

Frequently asked questions

What is CVE-2008-2544?: Mounting /proc filesystem via chroot command silently mounts it in read-write mode. The user could bypass the chroot environment and gain write access to files, he would never have otherwise.
How severe is CVE-2008-2544?: CVE-2008-2544 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 high, and availability none.
Is CVE-2008-2544 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-2544?: CVE-2008-2544 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2008-2544?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2008-2544 published?: CVE-2008-2544 was published on 2021-05-27 and last updated on 2026-06-16.

References

https://bugzilla.redhat.com/show_bug.cgi?id=213135

Affected products (1)

cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*

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