suse-su-2025:02437-1
Vulnerability from csaf_suse
Published
2025-07-21 12:33
Modified
2025-07-21 12:33
Summary
Security update for the Linux Kernel (Live Patch 22 for SLE 15 SP5)
Notes
Title of the patch
Security update for the Linux Kernel (Live Patch 22 for SLE 15 SP5)
Description of the patch
This update for the Linux Kernel 5.14.21-150500_55_91 fixes several issues.
The following security issues were fixed:
- CVE-2024-57893: ALSA: seq: oss: Fix races at processing SysEx messages (bsc#1235921).
- CVE-2025-21772: partitions: mac: fix handling of bogus partition table (bsc#1238912).
- CVE-2024-53166: block, bfq: fix bfqq uaf in bfq_limit_depth() (bsc#1234885).
- CVE-2024-57793: virt: tdx-guest: Just leak decrypted memory on unrecoverable errors (bsc#1235769).
Patchnames
SUSE-2025-2437,SUSE-SLE-Module-Live-Patching-15-SP5-2025-2437
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
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"title": "Description of the patch"
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"title": "Patchnames"
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"url": "https://www.suse.com/security/cve/CVE-2024-53166/"
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"name": "SUSE"
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"vulnerabilities": [
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"cve": "CVE-2024-53166",
"ids": [
{
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"text": "https://www.suse.com/security/cve/CVE-2024-53166"
}
],
"notes": [
{
"category": "general",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nblock, bfq: fix bfqq uaf in bfq_limit_depth()\n\nSet new allocated bfqq to bic or remove freed bfqq from bic are both\nprotected by bfqd-\u003elock, however bfq_limit_depth() is deferencing bfqq\nfrom bic without the lock, this can lead to UAF if the io_context is\nshared by multiple tasks.\n\nFor example, test bfq with io_uring can trigger following UAF in v6.6:\n\n==================================================================\nBUG: KASAN: slab-use-after-free in bfqq_group+0x15/0x50\n\nCall Trace:\n \u003cTASK\u003e\n dump_stack_lvl+0x47/0x80\n print_address_description.constprop.0+0x66/0x300\n print_report+0x3e/0x70\n kasan_report+0xb4/0xf0\n bfqq_group+0x15/0x50\n bfqq_request_over_limit+0x130/0x9a0\n bfq_limit_depth+0x1b5/0x480\n __blk_mq_alloc_requests+0x2b5/0xa00\n blk_mq_get_new_requests+0x11d/0x1d0\n blk_mq_submit_bio+0x286/0xb00\n submit_bio_noacct_nocheck+0x331/0x400\n __block_write_full_folio+0x3d0/0x640\n writepage_cb+0x3b/0xc0\n write_cache_pages+0x254/0x6c0\n write_cache_pages+0x254/0x6c0\n do_writepages+0x192/0x310\n filemap_fdatawrite_wbc+0x95/0xc0\n __filemap_fdatawrite_range+0x99/0xd0\n filemap_write_and_wait_range.part.0+0x4d/0xa0\n blkdev_read_iter+0xef/0x1e0\n io_read+0x1b6/0x8a0\n io_issue_sqe+0x87/0x300\n io_wq_submit_work+0xeb/0x390\n io_worker_handle_work+0x24d/0x550\n io_wq_worker+0x27f/0x6c0\n ret_from_fork_asm+0x1b/0x30\n \u003c/TASK\u003e\n\nAllocated by task 808602:\n kasan_save_stack+0x1e/0x40\n kasan_set_track+0x21/0x30\n __kasan_slab_alloc+0x83/0x90\n kmem_cache_alloc_node+0x1b1/0x6d0\n bfq_get_queue+0x138/0xfa0\n bfq_get_bfqq_handle_split+0xe3/0x2c0\n bfq_init_rq+0x196/0xbb0\n bfq_insert_request.isra.0+0xb5/0x480\n bfq_insert_requests+0x156/0x180\n blk_mq_insert_request+0x15d/0x440\n blk_mq_submit_bio+0x8a4/0xb00\n submit_bio_noacct_nocheck+0x331/0x400\n __blkdev_direct_IO_async+0x2dd/0x330\n blkdev_write_iter+0x39a/0x450\n io_write+0x22a/0x840\n io_issue_sqe+0x87/0x300\n io_wq_submit_work+0xeb/0x390\n io_worker_handle_work+0x24d/0x550\n io_wq_worker+0x27f/0x6c0\n ret_from_fork+0x2d/0x50\n ret_from_fork_asm+0x1b/0x30\n\nFreed by task 808589:\n kasan_save_stack+0x1e/0x40\n kasan_set_track+0x21/0x30\n kasan_save_free_info+0x27/0x40\n __kasan_slab_free+0x126/0x1b0\n kmem_cache_free+0x10c/0x750\n bfq_put_queue+0x2dd/0x770\n __bfq_insert_request.isra.0+0x155/0x7a0\n bfq_insert_request.isra.0+0x122/0x480\n bfq_insert_requests+0x156/0x180\n blk_mq_dispatch_plug_list+0x528/0x7e0\n blk_mq_flush_plug_list.part.0+0xe5/0x590\n __blk_flush_plug+0x3b/0x90\n blk_finish_plug+0x40/0x60\n do_writepages+0x19d/0x310\n filemap_fdatawrite_wbc+0x95/0xc0\n __filemap_fdatawrite_range+0x99/0xd0\n filemap_write_and_wait_range.part.0+0x4d/0xa0\n blkdev_read_iter+0xef/0x1e0\n io_read+0x1b6/0x8a0\n io_issue_sqe+0x87/0x300\n io_wq_submit_work+0xeb/0x390\n io_worker_handle_work+0x24d/0x550\n io_wq_worker+0x27f/0x6c0\n ret_from_fork+0x2d/0x50\n ret_from_fork_asm+0x1b/0x30\n\nFix the problem by protecting bic_to_bfqq() with bfqd-\u003elock.",
"title": "CVE description"
}
],
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"SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_91-default-7-150500.2.1.s390x",
"SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_91-default-7-150500.2.1.x86_64"
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"references": [
{
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"summary": "CVE-2024-53166",
"url": "https://www.suse.com/security/cve/CVE-2024-53166"
},
{
"category": "external",
"summary": "SUSE Bug 1234884 for CVE-2024-53166",
"url": "https://bugzilla.suse.com/1234884"
},
{
"category": "external",
"summary": "SUSE Bug 1234885 for CVE-2024-53166",
"url": "https://bugzilla.suse.com/1234885"
}
],
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{
"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": [
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"SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_91-default-7-150500.2.1.x86_64"
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"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 15 SP5:kernel-livepatch-5_14_21-150500_55_91-default-7-150500.2.1.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2025-07-21T12:33:50Z",
"details": "important"
}
],
"title": "CVE-2024-53166"
},
{
"cve": "CVE-2024-57793",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2024-57793"
}
],
"notes": [
{
"category": "general",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nvirt: tdx-guest: Just leak decrypted memory on unrecoverable errors\n\nIn CoCo VMs it is possible for the untrusted host to cause\nset_memory_decrypted() to fail such that an error is returned\nand the resulting memory is shared. Callers need to take care\nto handle these errors to avoid returning decrypted (shared)\nmemory to the page allocator, which could lead to functional\nor security issues.\n\nLeak the decrypted memory when set_memory_decrypted() fails,\nand don\u0027t need to print an error since set_memory_decrypted()\nwill call WARN_ONCE().",
"title": "CVE description"
}
],
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"references": [
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"category": "external",
"summary": "CVE-2024-57793",
"url": "https://www.suse.com/security/cve/CVE-2024-57793"
},
{
"category": "external",
"summary": "SUSE Bug 1235768 for CVE-2024-57793",
"url": "https://bugzilla.suse.com/1235768"
},
{
"category": "external",
"summary": "SUSE Bug 1235769 for CVE-2024-57793",
"url": "https://bugzilla.suse.com/1235769"
}
],
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{
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"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
"product_ids": [
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"SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_91-default-7-150500.2.1.s390x",
"SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_91-default-7-150500.2.1.x86_64"
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"scores": [
{
"cvss_v3": {
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"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:H",
"version": "3.1"
},
"products": [
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"SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_91-default-7-150500.2.1.s390x",
"SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_91-default-7-150500.2.1.x86_64"
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"threats": [
{
"category": "impact",
"date": "2025-07-21T12:33:50Z",
"details": "important"
}
],
"title": "CVE-2024-57793"
},
{
"cve": "CVE-2024-57893",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2024-57893"
}
],
"notes": [
{
"category": "general",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: seq: oss: Fix races at processing SysEx messages\n\nOSS sequencer handles the SysEx messages split in 6 bytes packets, and\nALSA sequencer OSS layer tries to combine those. It stores the data\nin the internal buffer and this access is racy as of now, which may\nlead to the out-of-bounds access.\n\nAs a temporary band-aid fix, introduce a mutex for serializing the\nprocess of the SysEx message packets.",
"title": "CVE description"
}
],
"product_status": {
"recommended": [
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"SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_91-default-7-150500.2.1.s390x",
"SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_91-default-7-150500.2.1.x86_64"
]
},
"references": [
{
"category": "external",
"summary": "CVE-2024-57893",
"url": "https://www.suse.com/security/cve/CVE-2024-57893"
},
{
"category": "external",
"summary": "SUSE Bug 1235920 for CVE-2024-57893",
"url": "https://bugzilla.suse.com/1235920"
},
{
"category": "external",
"summary": "SUSE Bug 1235921 for CVE-2024-57893",
"url": "https://bugzilla.suse.com/1235921"
}
],
"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 SP5:kernel-livepatch-5_14_21-150500_55_91-default-7-150500.2.1.ppc64le",
"SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_91-default-7-150500.2.1.s390x",
"SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_91-default-7-150500.2.1.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": [
"SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_91-default-7-150500.2.1.ppc64le",
"SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_91-default-7-150500.2.1.s390x",
"SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_91-default-7-150500.2.1.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2025-07-21T12:33:50Z",
"details": "important"
}
],
"title": "CVE-2024-57893"
},
{
"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": [
"SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_91-default-7-150500.2.1.ppc64le",
"SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_91-default-7-150500.2.1.s390x",
"SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_91-default-7-150500.2.1.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 15 SP5:kernel-livepatch-5_14_21-150500_55_91-default-7-150500.2.1.ppc64le",
"SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_91-default-7-150500.2.1.s390x",
"SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_91-default-7-150500.2.1.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 15 SP5:kernel-livepatch-5_14_21-150500_55_91-default-7-150500.2.1.ppc64le",
"SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_91-default-7-150500.2.1.s390x",
"SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_91-default-7-150500.2.1.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2025-07-21T12:33:50Z",
"details": "important"
}
],
"title": "CVE-2025-21772"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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