SUSE-SU-2025:02456-1
Vulnerability from csaf_suse - Published: 2025-07-21 21:18 - Updated: 2025-07-21 21:18Summary
Security update for the Linux Kernel (Live Patch 56 for SLE 15 SP3)
Severity
Important
Notes
Title of the patch: Security update for the Linux Kernel (Live Patch 56 for SLE 15 SP3)
Description of the patch: This update for the Linux Kernel 5.3.18-150300_59_201 fixes one issue.
The following security issue was fixed:
- CVE-2024-56558: nfsd: make sure exp active before svc_export_show (bsc#1243648).
Patchnames: SUSE-2025-2456,SUSE-SLE-Module-Live-Patching-15-SP3-2025-2456
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
5.5 (Medium)
Affected products
Recommended
3 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_201-default-2-150300.2.1.ppc64le | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_201-default-2-150300.2.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_201-default-2-150300.2.1.x86_64 | — |
Vendor Fix
|
Threats
Impact
moderate
References
9 references
{
"document": {
"aggregate_severity": {
"namespace": "https://www.suse.com/support/security/rating/",
"text": "important"
},
"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
"text": "Copyright 2024 SUSE LLC. All rights reserved.",
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "en",
"notes": [
{
"category": "summary",
"text": "Security update for the Linux Kernel (Live Patch 56 for SLE 15 SP3)",
"title": "Title of the patch"
},
{
"category": "description",
"text": "This update for the Linux Kernel 5.3.18-150300_59_201 fixes one issue.\n\nThe following security issue was fixed:\n\n- CVE-2024-56558: nfsd: make sure exp active before svc_export_show (bsc#1243648).\n",
"title": "Description of the patch"
},
{
"category": "details",
"text": "SUSE-2025-2456,SUSE-SLE-Module-Live-Patching-15-SP3-2025-2456",
"title": "Patchnames"
},
{
"category": "legal_disclaimer",
"text": "CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).",
"title": "Terms of use"
}
],
"publisher": {
"category": "vendor",
"contact_details": "https://www.suse.com/support/security/contact/",
"name": "SUSE Product Security Team",
"namespace": "https://www.suse.com/"
},
"references": [
{
"category": "external",
"summary": "SUSE ratings",
"url": "https://www.suse.com/support/security/rating/"
},
{
"category": "self",
"summary": "URL of this CSAF notice",
"url": "https://ftp.suse.com/pub/projects/security/csaf/suse-su-2025_02456-1.json"
},
{
"category": "self",
"summary": "URL for SUSE-SU-2025:02456-1",
"url": "https://www.suse.com/support/update/announcement/2025/suse-su-202502456-1/"
},
{
"category": "self",
"summary": "E-Mail link for SUSE-SU-2025:02456-1",
"url": "https://lists.suse.com/pipermail/sle-updates/2025-July/040858.html"
},
{
"category": "self",
"summary": "SUSE Bug 1243648",
"url": "https://bugzilla.suse.com/1243648"
},
{
"category": "self",
"summary": "SUSE CVE CVE-2024-56558 page",
"url": "https://www.suse.com/security/cve/CVE-2024-56558/"
}
],
"title": "Security update for the Linux Kernel (Live Patch 56 for SLE 15 SP3)",
"tracking": {
"current_release_date": "2025-07-21T21:18:35Z",
"generator": {
"date": "2025-07-21T21:18:35Z",
"engine": {
"name": "cve-database.git:bin/generate-csaf.pl",
"version": "1"
}
},
"id": "SUSE-SU-2025:02456-1",
"initial_release_date": "2025-07-21T21:18:35Z",
"revision_history": [
{
"date": "2025-07-21T21:18:35Z",
"number": "1",
"summary": "Current version"
}
],
"status": "final",
"version": "1"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_version",
"name": "kernel-livepatch-5_3_18-150300_59_201-default-2-150300.2.1.ppc64le",
"product": {
"name": "kernel-livepatch-5_3_18-150300_59_201-default-2-150300.2.1.ppc64le",
"product_id": "kernel-livepatch-5_3_18-150300_59_201-default-2-150300.2.1.ppc64le"
}
}
],
"category": "architecture",
"name": "ppc64le"
},
{
"branches": [
{
"category": "product_version",
"name": "kernel-livepatch-5_3_18-150300_59_201-default-2-150300.2.1.s390x",
"product": {
"name": "kernel-livepatch-5_3_18-150300_59_201-default-2-150300.2.1.s390x",
"product_id": "kernel-livepatch-5_3_18-150300_59_201-default-2-150300.2.1.s390x"
}
}
],
"category": "architecture",
"name": "s390x"
},
{
"branches": [
{
"category": "product_version",
"name": "kernel-livepatch-5_3_18-150300_59_201-default-2-150300.2.1.x86_64",
"product": {
"name": "kernel-livepatch-5_3_18-150300_59_201-default-2-150300.2.1.x86_64",
"product_id": "kernel-livepatch-5_3_18-150300_59_201-default-2-150300.2.1.x86_64"
}
},
{
"category": "product_version",
"name": "kernel-livepatch-5_3_18-150300_59_201-preempt-2-150300.2.1.x86_64",
"product": {
"name": "kernel-livepatch-5_3_18-150300_59_201-preempt-2-150300.2.1.x86_64",
"product_id": "kernel-livepatch-5_3_18-150300_59_201-preempt-2-150300.2.1.x86_64"
}
}
],
"category": "architecture",
"name": "x86_64"
},
{
"branches": [
{
"category": "product_name",
"name": "SUSE Linux Enterprise Live Patching 15 SP3",
"product": {
"name": "SUSE Linux Enterprise Live Patching 15 SP3",
"product_id": "SUSE Linux Enterprise Live Patching 15 SP3",
"product_identification_helper": {
"cpe": "cpe:/o:suse:sle-module-live-patching:15:sp3"
}
}
}
],
"category": "product_family",
"name": "SUSE Linux Enterprise"
}
],
"category": "vendor",
"name": "SUSE"
}
],
"relationships": [
{
"category": "default_component_of",
"full_product_name": {
"name": "kernel-livepatch-5_3_18-150300_59_201-default-2-150300.2.1.ppc64le as component of SUSE Linux Enterprise Live Patching 15 SP3",
"product_id": "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_201-default-2-150300.2.1.ppc64le"
},
"product_reference": "kernel-livepatch-5_3_18-150300_59_201-default-2-150300.2.1.ppc64le",
"relates_to_product_reference": "SUSE Linux Enterprise Live Patching 15 SP3"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "kernel-livepatch-5_3_18-150300_59_201-default-2-150300.2.1.s390x as component of SUSE Linux Enterprise Live Patching 15 SP3",
"product_id": "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_201-default-2-150300.2.1.s390x"
},
"product_reference": "kernel-livepatch-5_3_18-150300_59_201-default-2-150300.2.1.s390x",
"relates_to_product_reference": "SUSE Linux Enterprise Live Patching 15 SP3"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "kernel-livepatch-5_3_18-150300_59_201-default-2-150300.2.1.x86_64 as component of SUSE Linux Enterprise Live Patching 15 SP3",
"product_id": "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_201-default-2-150300.2.1.x86_64"
},
"product_reference": "kernel-livepatch-5_3_18-150300_59_201-default-2-150300.2.1.x86_64",
"relates_to_product_reference": "SUSE Linux Enterprise Live Patching 15 SP3"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2024-56558",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2024-56558"
}
],
"notes": [
{
"category": "general",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfsd: make sure exp active before svc_export_show\n\nThe function `e_show` was called with protection from RCU. This only\nensures that `exp` will not be freed. Therefore, the reference count for\n`exp` can drop to zero, which will trigger a refcount use-after-free\nwarning when `exp_get` is called. To resolve this issue, use\n`cache_get_rcu` to ensure that `exp` remains active.\n\n------------[ cut here ]------------\nrefcount_t: addition on 0; use-after-free.\nWARNING: CPU: 3 PID: 819 at lib/refcount.c:25\nrefcount_warn_saturate+0xb1/0x120\nCPU: 3 UID: 0 PID: 819 Comm: cat Not tainted 6.12.0-rc3+ #1\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS\n1.16.1-2.fc37 04/01/2014\nRIP: 0010:refcount_warn_saturate+0xb1/0x120\n...\nCall Trace:\n \u003cTASK\u003e\n e_show+0x20b/0x230 [nfsd]\n seq_read_iter+0x589/0x770\n seq_read+0x1e5/0x270\n vfs_read+0x125/0x530\n ksys_read+0xc1/0x160\n do_syscall_64+0x5f/0x170\n entry_SYSCALL_64_after_hwframe+0x76/0x7e",
"title": "CVE description"
}
],
"product_status": {
"recommended": [
"SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_201-default-2-150300.2.1.ppc64le",
"SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_201-default-2-150300.2.1.s390x",
"SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_201-default-2-150300.2.1.x86_64"
]
},
"references": [
{
"category": "external",
"summary": "CVE-2024-56558",
"url": "https://www.suse.com/security/cve/CVE-2024-56558"
},
{
"category": "external",
"summary": "SUSE Bug 1235100 for CVE-2024-56558",
"url": "https://bugzilla.suse.com/1235100"
},
{
"category": "external",
"summary": "SUSE Bug 1243648 for CVE-2024-56558",
"url": "https://bugzilla.suse.com/1243648"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
"product_ids": [
"SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_201-default-2-150300.2.1.ppc64le",
"SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_201-default-2-150300.2.1.s390x",
"SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_201-default-2-150300.2.1.x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"products": [
"SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_201-default-2-150300.2.1.ppc64le",
"SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_201-default-2-150300.2.1.s390x",
"SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_201-default-2-150300.2.1.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2025-07-21T21:18:35Z",
"details": "moderate"
}
],
"title": "CVE-2024-56558"
}
]
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
Loading…