Executive Summary
| Informations | |||
|---|---|---|---|
| Name | CVE-2025-21851 | First vendor Publication | 2025-03-12 |
| Vendor | Cve | Last vendor Modification | 2025-03-13 |
Security-Database Scoring CVSS v3
| Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L | |||
|---|---|---|---|
| Overall CVSS Score | 3.3 | ||
| Base Score | 3.3 | Environmental Score | 3.3 |
| impact SubScore | 1.4 | Temporal Score | 3.3 |
| Exploitabality Sub Score | 1.8 | ||
| Attack Vector | Local | Attack Complexity | Low |
| Privileges Required | Low | User Interaction | None |
| Scope | Unchanged | Confidentiality Impact | None |
| Integrity Impact | None | Availability Impact | Low |
| Calculate full CVSS 3.0 Vectors scores | |||
Security-Database Scoring CVSS v2
| Cvss vector : | |||
|---|---|---|---|
| Cvss Base Score | N/A | Attack Range | N/A |
| Cvss Impact Score | N/A | Attack Complexity | N/A |
| Cvss Expoit Score | N/A | Authentication | N/A |
| Calculate full CVSS 2.0 Vectors scores | |||
Detail
| In the Linux kernel, the following vulnerability has been resolved: bpf: Fix softlockup in arena_map_free on 64k page kernel On an aarch64 kernel with CONFIG_PAGE_SIZE_64KB=y, arena_htab tests cause a segmentation fault and soft lockup. The same failure is not observed with 4k pages on aarch64. It turns out arena_map_free() is calling apply_to_existing_page_range() with the address returned by bpf_arena_get_kern_vm_start(). If this address is not page-aligned the code ends up calling apply_to_pte_range() with that unaligned address causing soft lockup. Fix it by round up GUARD_SZ to PAGE_SIZE << 1 so that the division by 2 in bpf_arena_get_kern_vm_start() returns a page-aligned value. |
Original Source
| Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-21851 |
CWE : Common Weakness Enumeration
| % | Id | Name |
|---|---|---|
| 100 % | CWE-667 | Insufficient Locking |
CPE : Common Platform Enumeration
Sources (Detail)
Alert History
| Date | Informations |
|---|---|
| 2025-03-29 03:46:36 |
|
| 2025-03-28 13:49:07 |
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| 2025-03-28 03:24:28 |
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| 2025-03-25 03:30:16 |
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| 2025-03-19 00:20:32 |
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| 2025-03-18 00:20:35 |
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| 2025-03-14 00:20:47 |
|
| 2025-03-13 21:20:35 |
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| 2025-03-12 13:20:39 |
|
