SUSE-SU-2025:02137-1
Vulnerability from csaf_suse - Published: 2025-06-26 15:34 - Updated: 2025-06-26 15:34Summary
Security update for the Linux Kernel (Live Patch 67 for SLE 12 SP5)
Severity
Important
Notes
Title of the patch: Security update for the Linux Kernel (Live Patch 67 for SLE 12 SP5)
Description of the patch: This update for the Linux Kernel 4.12.14-122_255 fixes one issue.
The following security issue was fixed:
- CVE-2022-49179: block, bfq: do not move oom_bfqq (bsc#1241331).
Patchnames: SUSE-2025-2137,SUSE-SLE-Live-Patching-12-SP5-2025-2137
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 12 SP5:kgraft-patch-4_12_14-122_255-default-2-2.1.ppc64le | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_255-default-2-2.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_255-default-2-2.1.x86_64 | — |
Vendor Fix
|
Threats
Impact
moderate
References
8 references
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"url": "https://lists.suse.com/pipermail/sle-updates/2025-June/040511.html"
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"vulnerabilities": [
{
"cve": "CVE-2022-49179",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2022-49179"
}
],
"notes": [
{
"category": "general",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nblock, bfq: don\u0027t move oom_bfqq\n\nOur test report a UAF:\n\n[ 2073.019181] ==================================================================\n[ 2073.019188] BUG: KASAN: use-after-free in __bfq_put_async_bfqq+0xa0/0x168\n[ 2073.019191] Write of size 8 at addr ffff8000ccf64128 by task rmmod/72584\n[ 2073.019192]\n[ 2073.019196] CPU: 0 PID: 72584 Comm: rmmod Kdump: loaded Not tainted 4.19.90-yk #5\n[ 2073.019198] Hardware name: QEMU KVM Virtual Machine, BIOS 0.0.0 02/06/2015\n[ 2073.019200] Call trace:\n[ 2073.019203] dump_backtrace+0x0/0x310\n[ 2073.019206] show_stack+0x28/0x38\n[ 2073.019210] dump_stack+0xec/0x15c\n[ 2073.019216] print_address_description+0x68/0x2d0\n[ 2073.019220] kasan_report+0x238/0x2f0\n[ 2073.019224] __asan_store8+0x88/0xb0\n[ 2073.019229] __bfq_put_async_bfqq+0xa0/0x168\n[ 2073.019233] bfq_put_async_queues+0xbc/0x208\n[ 2073.019236] bfq_pd_offline+0x178/0x238\n[ 2073.019240] blkcg_deactivate_policy+0x1f0/0x420\n[ 2073.019244] bfq_exit_queue+0x128/0x178\n[ 2073.019249] blk_mq_exit_sched+0x12c/0x160\n[ 2073.019252] elevator_exit+0xc8/0xd0\n[ 2073.019256] blk_exit_queue+0x50/0x88\n[ 2073.019259] blk_cleanup_queue+0x228/0x3d8\n[ 2073.019267] null_del_dev+0xfc/0x1e0 [null_blk]\n[ 2073.019274] null_exit+0x90/0x114 [null_blk]\n[ 2073.019278] __arm64_sys_delete_module+0x358/0x5a0\n[ 2073.019282] el0_svc_common+0xc8/0x320\n[ 2073.019287] el0_svc_handler+0xf8/0x160\n[ 2073.019290] el0_svc+0x10/0x218\n[ 2073.019291]\n[ 2073.019294] Allocated by task 14163:\n[ 2073.019301] kasan_kmalloc+0xe0/0x190\n[ 2073.019305] kmem_cache_alloc_node_trace+0x1cc/0x418\n[ 2073.019308] bfq_pd_alloc+0x54/0x118\n[ 2073.019313] blkcg_activate_policy+0x250/0x460\n[ 2073.019317] bfq_create_group_hierarchy+0x38/0x110\n[ 2073.019321] bfq_init_queue+0x6d0/0x948\n[ 2073.019325] blk_mq_init_sched+0x1d8/0x390\n[ 2073.019330] elevator_switch_mq+0x88/0x170\n[ 2073.019334] elevator_switch+0x140/0x270\n[ 2073.019338] elv_iosched_store+0x1a4/0x2a0\n[ 2073.019342] queue_attr_store+0x90/0xe0\n[ 2073.019348] sysfs_kf_write+0xa8/0xe8\n[ 2073.019351] kernfs_fop_write+0x1f8/0x378\n[ 2073.019359] __vfs_write+0xe0/0x360\n[ 2073.019363] vfs_write+0xf0/0x270\n[ 2073.019367] ksys_write+0xdc/0x1b8\n[ 2073.019371] __arm64_sys_write+0x50/0x60\n[ 2073.019375] el0_svc_common+0xc8/0x320\n[ 2073.019380] el0_svc_handler+0xf8/0x160\n[ 2073.019383] el0_svc+0x10/0x218\n[ 2073.019385]\n[ 2073.019387] Freed by task 72584:\n[ 2073.019391] __kasan_slab_free+0x120/0x228\n[ 2073.019394] kasan_slab_free+0x10/0x18\n[ 2073.019397] kfree+0x94/0x368\n[ 2073.019400] bfqg_put+0x64/0xb0\n[ 2073.019404] bfqg_and_blkg_put+0x90/0xb0\n[ 2073.019408] bfq_put_queue+0x220/0x228\n[ 2073.019413] __bfq_put_async_bfqq+0x98/0x168\n[ 2073.019416] bfq_put_async_queues+0xbc/0x208\n[ 2073.019420] bfq_pd_offline+0x178/0x238\n[ 2073.019424] blkcg_deactivate_policy+0x1f0/0x420\n[ 2073.019429] bfq_exit_queue+0x128/0x178\n[ 2073.019433] blk_mq_exit_sched+0x12c/0x160\n[ 2073.019437] elevator_exit+0xc8/0xd0\n[ 2073.019440] blk_exit_queue+0x50/0x88\n[ 2073.019443] blk_cleanup_queue+0x228/0x3d8\n[ 2073.019451] null_del_dev+0xfc/0x1e0 [null_blk]\n[ 2073.019459] null_exit+0x90/0x114 [null_blk]\n[ 2073.019462] __arm64_sys_delete_module+0x358/0x5a0\n[ 2073.019467] el0_svc_common+0xc8/0x320\n[ 2073.019471] el0_svc_handler+0xf8/0x160\n[ 2073.019474] el0_svc+0x10/0x218\n[ 2073.019475]\n[ 2073.019479] The buggy address belongs to the object at ffff8000ccf63f00\n which belongs to the cache kmalloc-1024 of size 1024\n[ 2073.019484] The buggy address is located 552 bytes inside of\n 1024-byte region [ffff8000ccf63f00, ffff8000ccf64300)\n[ 2073.019486] The buggy address belongs to the page:\n[ 2073.019492] page:ffff7e000333d800 count:1 mapcount:0 mapping:ffff8000c0003a00 index:0x0 compound_mapcount: 0\n[ 2073.020123] flags: 0x7ffff0000008100(slab|head)\n[ 2073.020403] raw: 07ffff0000008100 ffff7e0003334c08 ffff7e00001f5a08 ffff8000c0003a00\n[ 2073.020409] ra\n---truncated---",
"title": "CVE description"
}
],
"product_status": {
"recommended": [
"SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_255-default-2-2.1.ppc64le",
"SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_255-default-2-2.1.s390x",
"SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_255-default-2-2.1.x86_64"
]
},
"references": [
{
"category": "external",
"summary": "CVE-2022-49179",
"url": "https://www.suse.com/security/cve/CVE-2022-49179"
},
{
"category": "external",
"summary": "SUSE Bug 1238092 for CVE-2022-49179",
"url": "https://bugzilla.suse.com/1238092"
}
],
"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 12 SP5:kgraft-patch-4_12_14-122_255-default-2-2.1.ppc64le",
"SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_255-default-2-2.1.s390x",
"SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_255-default-2-2.1.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 12 SP5:kgraft-patch-4_12_14-122_255-default-2-2.1.ppc64le",
"SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_255-default-2-2.1.s390x",
"SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_255-default-2-2.1.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2025-06-26T15:34:27Z",
"details": "moderate"
}
],
"title": "CVE-2022-49179"
}
]
}
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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.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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