CVE-2024-50272
CVE-2024-50272 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-835.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- EPSS exploit prediction: 0% (16th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-44774
- Weakness: CWE-835
- Affected product: Linux Linux Kernel
- Published:
- Last modified:
Description
In the Linux kernel, the following vulnerability has been resolved: filemap: Fix bounds checking in filemap_read() If the caller supplies an iocb->ki_pos value that is close to the filesystem upper limit, and an iterator with a count that causes us to overflow that limit, then filemap_read() enters an infinite loop. This behaviour was discovered when testing xfstests generic/525 with the "localio" optimisation for loopback NFS mounts.
Frequently asked questions
- What is CVE-2024-50272?
- In the Linux kernel, the following vulnerability has been resolved: filemap: Fix bounds checking in filemap_read() If the caller supplies an iocb->ki_pos value that is close to the filesystem upper limit, and an iterator with a count that causes us to overflow that limit, then filemap_read() enters an infinite loop. This behaviour was discovered when testing xfstests generic/525 with the "localio" optimisation for loopback NFS mounts.
- How severe is CVE-2024-50272?
- CVE-2024-50272 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-2024-50272 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-50272?
- CVE-2024-50272 primarily affects Linux Linux Kernel. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2024-50272?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2024-50272 have an EU (EUVD) identifier?
- Yes. CVE-2024-50272 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-44774.
- When was CVE-2024-50272 published?
- CVE-2024-50272 was published on 2024-11-19 and last updated on 2026-06-17.
References
- https://git.kernel.org/stable/c/26530b757c81f1389fb33ae0357500150933161b
- https://git.kernel.org/stable/c/6450e73f4c86d481ac2e22e1bc848d346e140826
- https://git.kernel.org/stable/c/6cc52df69e8464811f9f6fc12f7aaa78451eb0b8
- https://git.kernel.org/stable/c/a2746ab3bbc9c6408da5cd072653ec8c24749235
- https://git.kernel.org/stable/c/ace149e0830c380ddfce7e466fe860ca502fe4ee
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
Affected products (7)
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.12:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.12:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.12:rc4:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.12:rc5:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.12:rc6:*:*:*:*:*:*
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