SUSE-SU-2025:02394-1
Vulnerability from csaf_suse - Published: 2025-07-20 00:04 - Updated: 2026-09-20 17:32Summary
Security update for the Linux Kernel (Live Patch 65 for SLE 12 SP5)
Severity
Important
Notes
Title of the patch: Security update for the Linux Kernel (Live Patch 65 for SLE 12 SP5)
Description of the patch: This update for the Linux Kernel 4.12.14-122_247 fixes several issues.
The following security issues were fixed:
- CVE-2022-49465: blk-throttle: Set BIO_THROTTLED when bio has been throttled (bsc#1238920).
- CVE-2025-21772: partitions: mac: fix handling of bogus partition table (bsc#1238912).
Patchnames: SUSE-2025-2394,SUSE-SLE-Live-Patching-12-SP5-2025-2394
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
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_247-default-0:4-2.1.ppc64le | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_247-default-0:4-2.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_247-default-0:4-2.1.x86_64 | — |
Vendor Fix
|
Threats
Impact
important
7.8 (High)
Affected products
Recommended
3 products, the same list as for
CVE-2022-49465
Threats
Impact
important
References
14 references
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"text": "This update for the Linux Kernel 4.12.14-122_247 fixes several issues.\n\nThe following security issues were fixed:\n\n- CVE-2022-49465: blk-throttle: Set BIO_THROTTLED when bio has been throttled (bsc#1238920).\n- CVE-2025-21772: partitions: mac: fix handling of bogus partition table (bsc#1238912).\n",
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],
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"branches": [
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"product": {
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],
"category": "vendor",
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{
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"vulnerabilities": [
{
"cve": "CVE-2022-49465",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2022-49465"
}
],
"notes": [
{
"category": "general",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nblk-throttle: Set BIO_THROTTLED when bio has been throttled\n\n1.In current process, all bio will set the BIO_THROTTLED flag\nafter __blk_throtl_bio().\n\n2.If bio needs to be throttled, it will start the timer and\nstop submit bio directly. Bio will submit in\nblk_throtl_dispatch_work_fn() when the timer expires.But in\nthe current process, if bio is throttled. The BIO_THROTTLED\nwill be set to bio after timer start. If the bio has been\ncompleted, it may cause use-after-free blow.\n\nBUG: KASAN: use-after-free in blk_throtl_bio+0x12f0/0x2c70\nRead of size 2 at addr ffff88801b8902d4 by task fio/26380\n\n dump_stack+0x9b/0xce\n print_address_description.constprop.6+0x3e/0x60\n kasan_report.cold.9+0x22/0x3a\n blk_throtl_bio+0x12f0/0x2c70\n submit_bio_checks+0x701/0x1550\n submit_bio_noacct+0x83/0xc80\n submit_bio+0xa7/0x330\n mpage_readahead+0x380/0x500\n read_pages+0x1c1/0xbf0\n page_cache_ra_unbounded+0x471/0x6f0\n do_page_cache_ra+0xda/0x110\n ondemand_readahead+0x442/0xae0\n page_cache_async_ra+0x210/0x300\n generic_file_buffered_read+0x4d9/0x2130\n generic_file_read_iter+0x315/0x490\n blkdev_read_iter+0x113/0x1b0\n aio_read+0x2ad/0x450\n io_submit_one+0xc8e/0x1d60\n __se_sys_io_submit+0x125/0x350\n do_syscall_64+0x2d/0x40\n entry_SYSCALL_64_after_hwframe+0x44/0xa9\n\nAllocated by task 26380:\n kasan_save_stack+0x19/0x40\n __kasan_kmalloc.constprop.2+0xc1/0xd0\n kmem_cache_alloc+0x146/0x440\n mempool_alloc+0x125/0x2f0\n bio_alloc_bioset+0x353/0x590\n mpage_alloc+0x3b/0x240\n do_mpage_readpage+0xddf/0x1ef0\n mpage_readahead+0x264/0x500\n read_pages+0x1c1/0xbf0\n page_cache_ra_unbounded+0x471/0x6f0\n do_page_cache_ra+0xda/0x110\n ondemand_readahead+0x442/0xae0\n page_cache_async_ra+0x210/0x300\n generic_file_buffered_read+0x4d9/0x2130\n generic_file_read_iter+0x315/0x490\n blkdev_read_iter+0x113/0x1b0\n aio_read+0x2ad/0x450\n io_submit_one+0xc8e/0x1d60\n __se_sys_io_submit+0x125/0x350\n do_syscall_64+0x2d/0x40\n entry_SYSCALL_64_after_hwframe+0x44/0xa9\n\nFreed by task 0:\n kasan_save_stack+0x19/0x40\n kasan_set_track+0x1c/0x30\n kasan_set_free_info+0x1b/0x30\n __kasan_slab_free+0x111/0x160\n kmem_cache_free+0x94/0x460\n mempool_free+0xd6/0x320\n bio_free+0xe0/0x130\n bio_put+0xab/0xe0\n bio_endio+0x3a6/0x5d0\n blk_update_request+0x590/0x1370\n scsi_end_request+0x7d/0x400\n scsi_io_completion+0x1aa/0xe50\n scsi_softirq_done+0x11b/0x240\n blk_mq_complete_request+0xd4/0x120\n scsi_mq_done+0xf0/0x200\n virtscsi_vq_done+0xbc/0x150\n vring_interrupt+0x179/0x390\n __handle_irq_event_percpu+0xf7/0x490\n handle_irq_event_percpu+0x7b/0x160\n handle_irq_event+0xcc/0x170\n handle_edge_irq+0x215/0xb20\n common_interrupt+0x60/0x120\n asm_common_interrupt+0x1e/0x40\n\nFix this by move BIO_THROTTLED set into the queue_lock.",
"title": "CVE description"
}
],
"product_status": {
"recommended": [
"SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_247-default-0:4-2.1.ppc64le",
"SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_247-default-0:4-2.1.s390x",
"SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_247-default-0:4-2.1.x86_64"
]
},
"references": [
{
"category": "external",
"summary": "CVE-2022-49465",
"url": "https://www.suse.com/security/cve/CVE-2022-49465"
},
{
"category": "external",
"summary": "SUSE Bug 1238919 for CVE-2022-49465",
"url": "https://bugzilla.suse.com/1238919"
},
{
"category": "external",
"summary": "SUSE Bug 1238920 for CVE-2022-49465",
"url": "https://bugzilla.suse.com/1238920"
}
],
"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_247-default-0:4-2.1.ppc64le",
"SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_247-default-0:4-2.1.s390x",
"SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_247-default-0:4-2.1.x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 7,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"products": [
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"SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_247-default-0:4-2.1.s390x",
"SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_247-default-0:4-2.1.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2025-07-20T00:04:08Z",
"details": "important"
}
],
"title": "CVE-2022-49465"
},
{
"cve": "CVE-2025-21772",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2025-21772"
}
],
"notes": [
{
"category": "general",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\npartitions: mac: fix handling of bogus partition table\n\nFix several issues in partition probing:\n\n - The bailout for a bad partoffset must use put_dev_sector(), since the\n preceding read_part_sector() succeeded.\n - If the partition table claims a silly sector size like 0xfff bytes\n (which results in partition table entries straddling sector boundaries),\n bail out instead of accessing out-of-bounds memory.\n - We must not assume that the partition table contains proper NUL\n termination - use strnlen() and strncmp() instead of strlen() and\n strcmp().",
"title": "CVE description"
}
],
"product_status": {
"recommended": [
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"SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_247-default-0:4-2.1.s390x",
"SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_247-default-0:4-2.1.x86_64"
]
},
"references": [
{
"category": "external",
"summary": "CVE-2025-21772",
"url": "https://www.suse.com/security/cve/CVE-2025-21772"
},
{
"category": "external",
"summary": "SUSE Bug 1238911 for CVE-2025-21772",
"url": "https://bugzilla.suse.com/1238911"
},
{
"category": "external",
"summary": "SUSE Bug 1238912 for CVE-2025-21772",
"url": "https://bugzilla.suse.com/1238912"
}
],
"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_247-default-0:4-2.1.ppc64le",
"SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_247-default-0:4-2.1.s390x",
"SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_247-default-0:4-2.1.x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"products": [
"SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_247-default-0:4-2.1.ppc64le",
"SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_247-default-0:4-2.1.s390x",
"SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_247-default-0:4-2.1.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2025-07-20T00:04:08Z",
"details": "important"
}
],
"title": "CVE-2025-21772"
}
]
}
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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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