CVE-2026-64507
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2026
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
x86/bugs: Enable IBPB flush on BPF JIT allocation
In the Linux kernel, the following vulnerability has been resolved: x86/bugs: Enable IBPB flush on BPF JIT allocation Enable hardening against JIT spraying when Spectre-v2 mitigations are in use. Specifically, issue an IBPB flush on BPF JIT memory reuse. Skip enabling the IBPB flush if the BPF dispatcher is already using a retpoline sequence. This hardening applies only when BPF-JIT is in use. Guard the enabling under CONFIG_BPF_JIT so that bugs.c still builds with CONFIG_BPF_JIT=n.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 57631054fae6dcc9c892ae6310b58bbb6f6e5048 | affected | git | 25dbcd31781e2bc3cd63d873af1fcd06f863a126 | Unavailable | None listed |
| 57631054fae6dcc9c892ae6310b58bbb6f6e5048 | affected | git | cb27f3bf915cc0f20fc0c48da9059304e39ebd35 | Unavailable | None listed |
| 57631054fae6dcc9c892ae6310b58bbb6f6e5048 | affected | git | 9354248fc1c33a844ca1872761f6668b393e8c37 | Unavailable | None listed |
| 57631054fae6dcc9c892ae6310b58bbb6f6e5048 | affected | git | 8a4c8af9ae67eb072d90d1b339f14d27a82bd2a1 | Unavailable | None listed |
| 57631054fae6dcc9c892ae6310b58bbb6f6e5048 | affected | git | 52440e15d9628f8f239373c0f2e5e8f92feea2df | Unavailable | None listed |
| 57631054fae6dcc9c892ae6310b58bbb6f6e5048 | affected | git | a3af84b0fa00ead01fcd0e28b5d773ff25990a0d | Unavailable | None listed |
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
affected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 5.18 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 5.18 | Unavailable | None listed |
| 6.1.183 | unaffected | semver | Unavailable | 6.1.* | None listed |
| 6.6.145 | unaffected | semver | Unavailable | 6.6.* | None listed |
| 6.12.97 | unaffected | semver | Unavailable | 6.12.* | None listed |
| 6.18.39 | unaffected | semver | Unavailable | 6.18.* | None listed |
| 7.1.4 | unaffected | semver | Unavailable | 7.1.* | None listed |
| 7.2 | unaffected | original_commit_for_fix | Unavailable | * | None listed |