CVE-2024-53174
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- CVE-2024-53174
CVE Details
| Release Date: | 2024-12-27 | |
| Impact: | Moderate | What is this? |
Description
In the Linux kernel, the following vulnerability has been resolved:
SUNRPC: make sure cache entry active before cache_show
The function `c_show` was called with protection from RCU. This only
ensures that `cp` will not be freed. Therefore, the reference count for
`cp` can drop to zero, which will trigger a refcount use-after-free
warning when `cache_get` is called. To resolve this issue, use
`cache_get_rcu` to ensure that `cp` remains active.
------------[ cut here ]------------
refcount_t: addition on 0; use-after-free.
WARNING: CPU: 7 PID: 822 at lib/refcount.c:25
refcount_warn_saturate+0xb1/0x120
CPU: 7 UID: 0 PID: 822 Comm: cat Not tainted 6.12.0-rc3+ #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS
1.16.1-2.fc37 04/01/2014
RIP: 0010:refcount_warn_saturate+0xb1/0x120
Call Trace:
See more information about CVE-2024-53174 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS metrics and score provided are preliminary and subject to review.
CVSS v3 metrics
| Base Score: | 7.1 |
| Vector String: | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H |
| Version: | 3.1 |
| Attack Vector: | Local |
| Attack Complexity: | Low |
| Privileges Required: | Low |
| User Interaction: | None |
| Scope: | Unchanged |
| Confidentiality Impact: | High |
| Integrity Impact: | None |
| Availability Impact: | High |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 10 (kernel-uek) | ELSA-2025-20480 | 2025-07-17 |
| Oracle Linux version 10 (kernel-uek) | ELSA-2025-20530 | 2025-08-18 |
| Oracle Linux version 7 (kernel-uek) | ELSA-2025-20100 | 2025-02-12 |
| Oracle Linux version 8 (kernel-uek) | ELSA-2025-20095 | 2025-02-09 |
| Oracle Linux version 8 (kernel-uek) | ELSA-2025-20100 | 2025-02-12 |
| Oracle Linux version 9 (kernel) | ELSA-2025-6966 | 2025-05-16 |
| Oracle Linux version 9 (kernel-uek) | ELSA-2025-20095 | 2025-02-09 |
| Oracle Linux version 9 (kernel-uek) | ELSA-2025-20480 | 2025-07-17 |
| Oracle Linux version 9 (kernel-uek) | ELSA-2025-20530 | 2025-08-18 |
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