CVE-2024-50286
CVE-2024-50286 is a high-severity vulnerability in Linux Linux Kernel with a CVSS 3.x base score of 7.0. 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-416.
Key facts
- Severity: High (CVSS 3.x base score 7.0)
- EPSS exploit prediction: 0% (18th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-45177
- Weakness: CWE-416
- Affected product: Linux Linux Kernel
- Published:
- Last modified:
Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix slab-use-after-free in ksmbd_smb2_session_create There is a race condition between ksmbd_smb2_session_create and ksmbd_expire_session. This patch add missing sessions_table_lock while adding/deleting session from global session table.
Frequently asked questions
- What is CVE-2024-50286?
- In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix slab-use-after-free in ksmbd_smb2_session_create There is a race condition between ksmbd_smb2_session_create and ksmbd_expire_session. This patch add missing sessions_table_lock while adding/deleting session from global session table.
- How severe is CVE-2024-50286?
- CVE-2024-50286 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2024-50286 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-50286?
- CVE-2024-50286 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-2024-50286?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2024-50286 have an EU (EUVD) identifier?
- Yes. CVE-2024-50286 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-45177.
- When was CVE-2024-50286 published?
- CVE-2024-50286 was published on 2024-11-19 and last updated on 2026-06-17.
References
- https://git.kernel.org/stable/c/0a77715db22611df50b178374c51e2ba0d58866e
- https://git.kernel.org/stable/c/e7a2ad2044377853cf8c59528dac808a08a99c72
- https://git.kernel.org/stable/c/e923503a56b3385b64ae492e3225e4623f560c5b
- https://git.kernel.org/stable/c/f56446ba5378d19e31040b548a14ee9a8f1500ea
- 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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