crypto: pcrypt - Call crypto layer directly when padata_do_parallel() return -EBUSY
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 20 fixed, 2 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.
Summary
In the Linux kernel, the following vulnerability has been resolved: crypto: pcrypt - Call crypto layer directly when padata_do_parallel() return -EBUSY Since commit 8f4f68e788c3 ("crypto: pcrypt - Fix hungtask for PADATA_RESET"), the pcrypt encryption and decryption operations return -EAGAIN when the CPU goes online or offline. In alg_test(), a WARN is generated when pcrypt_aead_decrypt() or pcrypt_aead_encrypt() returns -EAGAIN, the unnecessary panic will occur when panic_on_warn set 1. Fix this issue by calling crypto layer directly without parallelization in that case.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 4.19.300 to before 4.19.325; 5.4.262 to before 5.4.287; 5.10.202 to before 5.10.231; 5.15.140 to before 5.15.174; 6.1.64 to before 6.1.120; 6.6.3 to before 6.6.64; 4.14.331 to before 4.15; 6.5.13 to before 6.6 | 4.19.325, 5.4.287, 5.10.231, 5.15.174, 6.1.120, 6.6.64, 4.15, 6.6 | Patch available | CNA |
| Linux | Linux | 6.7 and later | 4.19.325, 5.4.287, 5.10.231, 5.15.174, 6.1.120, 6.6.64, 6.11.11, 6.12.2, 6.13 | Patch available | CNA |
- Linux VendorLinux Affected 4.19.300 to before 4.19.325; 5.4.262 to before 5.4.287; 5.10.202 to before 5.10.231; 5.15.140 to before 5.15.174; 6.1.64 to before 6.1.120; 6.6.3 to before 6.6.64; 4.14.331 to before 4.15; 6.5.13 to before 6.6 Fixed in 4.19.325, 5.4.287, 5.10.231, 5.15.174, 6.1.120, 6.6.64, 4.15, 6.6 Patch available CNA
- Linux VendorLinux Affected 6.7 and later Fixed in 4.19.325, 5.4.287, 5.10.231, 5.15.174, 6.1.120, 6.6.64, 6.11.11, 6.12.2, 6.13 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 4.14.331 to before 4.15; 4.19.300 to before 4.19.325; 5.4.262 to before 5.4.287; 5.10.202 to before 5.10.231; 5.15.140 to before 5.15.174; 6.1.64 to before 6.1.120; 6.5.13 to before 6.6; 6.6.3 to before 6.6.64; 6.7 to before 6.11.11; 6.12 to before 6.12.2 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 4.14.331 to before 4.15; 4.19.300 to before 4.19.325; 5.4.262 to before 5.4.287; 5.10.202 to before 5.10.231; 5.15.140 to before 5.15.174; 6.1.64 to before 6.1.120; 6.5.13 to before 6.6; 6.6.3 to before 6.6.64; 6.7 to before 6.11.11; 6.12 to before 6.12.2 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 4.19.325, 5.4.287, 5.10.231, 5.15.174, 6.1.120, 6.6.64, 4.15, 6.6
- Fix · CNA Linux (Linux) Fixed in 4.19.325, 5.4.287, 5.10.231, 5.15.174, 6.1.120, 6.6.64, 6.11.11, 6.12.2, 6.13
Red Hat 4 advisories
- RHSA-2025:21563 Released 2025-11-17 · Red Hat rating Moderatekernel security update
- Red Hat CodeReady Linux Builder EUS (v.9.6) kernel-tools-libs-devel-5.14.0-570.64.1.el9_6, libperf-5.14.0-570.64.1.el9_6
- Red Hat Enterprise Linux AppStream EUS (v.9.6) kernel-64k-debug-devel-5.14.0-570.64.1.el9_6, kernel-64k-debug-devel-matched-5.14.0-570.64.1.el9_6, kernel-64k-devel-5.14.0-570.64.1.el9_6 +12
- Red Hat Enterprise Linux BaseOS EUS (v.9.6) kernel-5.14.0-570.64.1.el9_6, kernel-64k-5.14.0-570.64.1.el9_6, kernel-64k-core-5.14.0-570.64.1.el9_6 +28
- Red Hat Enterprise Linux Real Time EUS (v.9.6) kernel-rt-5.14.0-570.64.1.el9_6, kernel-rt-64k-5.14.0-570.64.1.el9_6, kernel-rt-64k-core-5.14.0-570.64.1.el9_6 +21
- Red Hat Enterprise Linux Real Time for NFV EUS (v.9.6) kernel-rt-5.14.0-570.64.1.el9_6, kernel-rt-core-5.14.0-570.64.1.el9_6, kernel-rt-debug-5.14.0-570.64.1.el9_6 +11
- RHSA-2025:21492 Released 2025-11-17 · Red Hat rating Moderatekernel security update
- Red Hat Enterprise Linux AppStream EUS (v. 10.0) kernel-64k-debug-devel-6.12.0-55.45.1.el10_0, kernel-64k-debug-devel-matched-6.12.0-55.45.1.el10_0, kernel-64k-devel-6.12.0-55.45.1.el10_0 +12
- Red Hat Enterprise Linux BaseOS EUS (v. 10.0) kernel-6.12.0-55.45.1.el10_0, kernel-64k-6.12.0-55.45.1.el10_0, kernel-64k-core-6.12.0-55.45.1.el10_0 +28
- Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) kernel-tools-libs-devel-6.12.0-55.45.1.el10_0, libperf-6.12.0-55.45.1.el10_0
- Red Hat Enterprise Linux Real Time EUS (v. 10.0) kernel-rt-6.12.0-55.45.1.el10_0, kernel-rt-64k-6.12.0-55.45.1.el10_0, kernel-rt-64k-core-6.12.0-55.45.1.el10_0 +21
- Red Hat Enterprise Linux Real Time for NFV EUS (v. 10.0) kernel-rt-6.12.0-55.45.1.el10_0, kernel-rt-core-6.12.0-55.45.1.el10_0, kernel-rt-debug-6.12.0-55.45.1.el10_0 +11
- RHSA-2025:20518 Released 2025-11-11 · Red Hat rating Moderatekernel security update
- Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-611.5.1.el9_7, kernel-64k-debug-devel-matched-5.14.0-611.5.1.el9_7, kernel-64k-devel-5.14.0-611.5.1.el9_7 +12
- Red Hat Enterprise Linux BaseOS (v. 9) kernel-5.14.0-611.5.1.el9_7, kernel-64k-5.14.0-611.5.1.el9_7, kernel-64k-core-5.14.0-611.5.1.el9_7 +28
- Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) kernel-tools-libs-devel-5.14.0-611.5.1.el9_7, libperf-5.14.0-611.5.1.el9_7
- Red Hat Enterprise Linux Real Time (v. 9) kernel-rt-5.14.0-611.5.1.el9_7, kernel-rt-64k-5.14.0-611.5.1.el9_7, kernel-rt-64k-core-5.14.0-611.5.1.el9_7 +21
- Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt-5.14.0-611.5.1.el9_7, kernel-rt-core-5.14.0-611.5.1.el9_7, kernel-rt-debug-5.14.0-611.5.1.el9_7 +9
Show 1 more Red Hat advisories
- RHSA-2025:20095 Released 2025-11-11 · Red Hat rating Moderatekernel security update
- Red Hat Enterprise Linux AppStream (v. 10) kernel-64k-debug-devel-6.12.0-124.8.1.el10_1, kernel-64k-debug-devel-matched-6.12.0-124.8.1.el10_1, kernel-64k-devel-6.12.0-124.8.1.el10_1 +12
- Red Hat Enterprise Linux BaseOS (v. 10) kernel-6.12.0-124.8.1.el10_1, kernel-64k-6.12.0-124.8.1.el10_1, kernel-64k-core-6.12.0-124.8.1.el10_1 +29
- Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) kernel-tools-libs-devel-6.12.0-124.8.1.el10_1, libperf-6.12.0-124.8.1.el10_1
- Red Hat Enterprise Linux Real Time (v. 10) kernel-rt-6.12.0-124.8.1.el10_1, kernel-rt-64k-6.12.0-124.8.1.el10_1, kernel-rt-64k-core-6.12.0-124.8.1.el10_1 +21
- Red Hat Enterprise Linux Real Time for NFV (v. 10) kernel-rt-6.12.0-124.8.1.el10_1, kernel-rt-core-6.12.0-124.8.1.el10_1, kernel-rt-debug-6.12.0-124.8.1.el10_1 +9
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 8 | Affected | No fix planned: Out of support scope |
| Red Hat CodeReady Linux Builder EUS (v.9.6) | Fixed | RHSA-2025:21563 |
| Red Hat Enterprise Linux AppStream (v. 10) | Fixed | RHSA-2025:20095 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2025:20518 |
| Red Hat Enterprise Linux AppStream EUS (v. 10.0) | Fixed | RHSA-2025:21492 |
| Red Hat Enterprise Linux AppStream EUS (v.9.6) | Fixed | RHSA-2025:21563 |
| Red Hat Enterprise Linux BaseOS (v. 10) | Fixed | RHSA-2025:20095 |
| Red Hat Enterprise Linux BaseOS (v. 9) | Fixed | RHSA-2025:20518 |
| Red Hat Enterprise Linux BaseOS EUS (v. 10.0) | Fixed | RHSA-2025:21492 |
| Red Hat Enterprise Linux BaseOS EUS (v.9.6) | Fixed | RHSA-2025:21563 |
| Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) | Fixed | RHSA-2025:20095 |
| Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) | Fixed | RHSA-2025:20518 |
| Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) | Fixed | RHSA-2025:21492 |
| Red Hat Enterprise Linux Real Time (v. 10) | Fixed | RHSA-2025:20095 |
| Red Hat Enterprise Linux Real Time (v. 9) | Fixed | RHSA-2025:20518 |
| Red Hat Enterprise Linux Real Time EUS (v. 10.0) | Fixed | RHSA-2025:21492 |
| Red Hat Enterprise Linux Real Time EUS (v.9.6) | Fixed | RHSA-2025:21563 |
| Red Hat Enterprise Linux Real Time for NFV (v. 10) | Fixed | RHSA-2025:20095 |
| Red Hat Enterprise Linux Real Time for NFV (v. 9) | Fixed | RHSA-2025:20518 |
| Red Hat Enterprise Linux Real Time for NFV EUS (v. 10.0) | Fixed | RHSA-2025:21492 |
| Red Hat Enterprise Linux Real Time for NFV EUS (v.9.6) | Fixed | RHSA-2025:21563 |
Not affected: 1 product
- Red Hat Enterprise Linux 6
Timeline
- 2026-10-02 Threatist record created from CVE-2024-56690
- 2026-10-03 Alias added: GHSA-4w8p-fpvp-22x8
- 2026-10-29 Affected versions changed · Red Hat
- 2026-11-05 CISA SSVC decision points changed
References
Patch 9
- https://git.kernel.org/stable/c/dd8bf8eb5beba1e7c3b11a9a5a58ccbf345a69e6
- https://git.kernel.org/stable/c/fca8aed12218f96b38e374ff264d78ea1fbd23cc
- https://git.kernel.org/stable/c/a92ccd3618e42333ac6f150ecdac14dca298bc7a
- https://git.kernel.org/stable/c/96001f52ae8c70e2c736d3e1e5dc53d5b521e5ca
- https://git.kernel.org/stable/c/92834692a539b5b7f409e467a14667d64713b732
- https://git.kernel.org/stable/c/5edae7a9a35606017ee6e05911c290acee9fee5a
- https://git.kernel.org/stable/c/a8e0074ffb38c9a5964a221bb998034d016c93a2
- https://git.kernel.org/stable/c/7ddab756f2de5b7b43c122ebebdf37f400fb2b6f
- https://git.kernel.org/stable/c/662f2f13e66d3883b9238b0b96b17886179e60e2
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Sources
- CVE-2024-56690 · CVE Program
- CVE-2024-56690 · NVD
- FIRST EPSS
- GHSA-4w8p-fpvp-22x8 · GitHub Advisory Database · CC BY 4.0
- CVE-2024-56690 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences