CVE-2024-42311

一、漏洞信息
 漏洞编号：[CVE-2024-42311](https://nvd.nist.gov/vuln/detail/CVE-2024-42311)
 漏洞归属组件：[kernel](https://gitee.com/src-openeuler/kernel)
 漏洞归属的版本：4.19.140,4.19.194,4.19.90,5.10.0,6.1.0,6.1.14,6.1.19,6.1.5,6.1.6,6.1.8,6.4.0,6.6.0
 CVSS V3.0分值：
  BaseScore：5.5 Medium
  Vector：CVSS：3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
 漏洞简述：
  In the Linux kernel, the following vulnerability has been resolved:hfs: fix to initialize fields of hfs_inode_info after hfs_alloc_inode()Syzbot reports uninitialized value access issue as below:loop0: detected capacity change from 0 to 64=====================================================BUG: KMSAN: uninit-value in hfs_revalidate_dentry+0x307/0x3f0 fs/hfs/sysdep.c:30 hfs_revalidate_dentry+0x307/0x3f0 fs/hfs/sysdep.c:30 d_revalidate fs/namei.c:862 [inline] lookup_fast+0x89e/0x8e0 fs/namei.c:1649 walk_component fs/namei.c:2001 [inline] link_path_walk+0x817/0x1480 fs/namei.c:2332 path_lookupat+0xd9/0x6f0 fs/namei.c:2485 filename_lookup+0x22e/0x740 fs/namei.c:2515 user_path_at_empty+0x8b/0x390 fs/namei.c:2924 user_path_at include/linux/namei.h:57 [inline] do_mount fs/namespace.c:3689 [inline] __do_sys_mount fs/namespace.c:3898 [inline] __se_sys_mount+0x66b/0x810 fs/namespace.c:3875 __x64_sys_mount+0xe4/0x140 fs/namespace.c:3875 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6bBUG: KMSAN: uninit-value in hfs_ext_read_extent fs/hfs/extent.c:196 [inline]BUG: KMSAN: uninit-value in hfs_get_block+0x92d/0x1620 fs/hfs/extent.c:366 hfs_ext_read_extent fs/hfs/extent.c:196 [inline] hfs_get_block+0x92d/0x1620 fs/hfs/extent.c:366 block_read_full_folio+0x4ff/0x11b0 fs/buffer.c:2271 hfs_read_folio+0x55/0x60 fs/hfs/inode.c:39 filemap_read_folio+0x148/0x4f0 mm/filemap.c:2426 do_read_cache_folio+0x7c8/0xd90 mm/filemap.c:3553 do_read_cache_page mm/filemap.c:3595 [inline] read_cache_page+0xfb/0x2f0 mm/filemap.c:3604 read_mapping_page include/linux/pagemap.h:755 [inline] hfs_btree_open+0x928/0x1ae0 fs/hfs/btree.c:78 hfs_mdb_get+0x260c/0x3000 fs/hfs/mdb.c:204 hfs_fill_super+0x1fb1/0x2790 fs/hfs/super.c:406 mount_bdev+0x628/0x920 fs/super.c:1359 hfs_mount+0xcd/0xe0 fs/hfs/super.c:456 legacy_get_tree+0x167/0x2e0 fs/fs_context.c:610 vfs_get_tree+0xdc/0x5d0 fs/super.c:1489 do_new_mount+0x7a9/0x16f0 fs/namespace.c:3145 path_mount+0xf98/0x26a0 fs/namespace.c:3475 do_mount fs/namespace.c:3488 [inline] __do_sys_mount fs/namespace.c:3697 [inline] __se_sys_mount+0x919/0x9e0 fs/namespace.c:3674 __ia32_sys_mount+0x15b/0x1b0 fs/namespace.c:3674 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178 do_fast_syscall_32+0x37/0x80 arch/x86/entry/common.c:203 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:246 entry_SYSENTER_compat_after_hwframe+0x70/0x82Uninit was created at: __alloc_pages+0x9a6/0xe00 mm/page_alloc.c:4590 __alloc_pages_node include/linux/gfp.h:238 [inline] alloc_pages_node include/linux/gfp.h:261 [inline] alloc_slab_page mm/slub.c:2190 [inline] allocate_slab mm/slub.c:2354 [inline] new_slab+0x2d7/0x1400 mm/slub.c:2407 ___slab_alloc+0x16b5/0x3970 mm/slub.c:3540 __slab_alloc mm/slub.c:3625 [inline] __slab_alloc_node mm/slub.c:3678 [inline] slab_alloc_node mm/slub.c:3850 [inline] kmem_cache_alloc_lru+0x64d/0xb30 mm/slub.c:3879 alloc_inode_sb include/linux/fs.h:3018 [inline] hfs_alloc_inode+0x5a/0xc0 fs/hfs/super.c:165 alloc_inode+0x83/0x440 fs/inode.c:260 new_inode_pseudo fs/inode.c:1005 [inline] new_inode+0x38/0x4f0 fs/inode.c:1031 hfs_new_inode+0x61/0x1010 fs/hfs/inode.c:186 hfs_mkdir+0x54/0x250 fs/hfs/dir.c:228 vfs_mkdir+0x49a/0x700 fs/namei.c:4126 do_mkdirat+0x529/0x810 fs/namei.c:4149 __do_sys_mkdirat fs/namei.c:4164 [inline] __se_sys_mkdirat fs/namei.c:4162 [inline] __x64_sys_mkdirat+0xc8/0x120 fs/namei.c:4162 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6bIt missed to initialize .tz_secondswest, .cached_start and .cached_blocksfields in struct hfs_inode_info after hfs_alloc_inode(), fix it.
 漏洞公开时间：2024-08-17 17:15:11
 漏洞创建时间：2024-08-17 17:53:24
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2024-42311
<details>
<summary>更多参考(点击展开)</summary>

| 参考来源 | 参考链接 | 来源链接 |
| ------- | -------- | -------- |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/10f7163bfb5f8b4e0c9c05a939f20b8540e33c65 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/26a2ed107929a855155429b11e1293b83e6b2a8b |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/4a52861cd76e79f1a593beb23d096523eb9732c2 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/58d83fc160505a7009c39dec64effaac5129b971 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/9c4e40b9b731220f9464975e49da75496e3865c4 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/d3493d6f0dfb1ab5225b62faa77732983f2187a1 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/d55aae5c1730d6b70d5d8eaff00113cd34772ea3 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/f7316b2b2f11cf0c6de917beee8d3de728be24db |  |
| suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-42311 | https://bugzilla.suse.com/show_bug.cgi?id=1229413 |
| suse_bugzilla | https://www.cve.org/CVERecord?id=CVE-2024-42311 | https://bugzilla.suse.com/show_bug.cgi?id=1229413 |
| suse_bugzilla | https://git.kernel.org/stable/c/26a2ed107929a855155429b11e1293b83e6b2a8b | https://bugzilla.suse.com/show_bug.cgi?id=1229413 |
| suse_bugzilla | https://git.kernel.org/stable/c/58d83fc160505a7009c39dec64effaac5129b971 | https://bugzilla.suse.com/show_bug.cgi?id=1229413 |
| suse_bugzilla | https://git.kernel.org/stable/c/9c4e40b9b731220f9464975e49da75496e3865c4 | https://bugzilla.suse.com/show_bug.cgi?id=1229413 |
| suse_bugzilla | https://git.kernel.org/stable/c/d3493d6f0dfb1ab5225b62faa77732983f2187a1 | https://bugzilla.suse.com/show_bug.cgi?id=1229413 |
| suse_bugzilla | https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2024/CVE-2024-42311.mbox | https://bugzilla.suse.com/show_bug.cgi?id=1229413 |
| suse_bugzilla | https://git.kernel.org/stable/c/10f7163bfb5f8b4e0c9c05a939f20b8540e33c65 | https://bugzilla.suse.com/show_bug.cgi?id=1229413 |
| suse_bugzilla | https://git.kernel.org/stable/c/4a52861cd76e79f1a593beb23d096523eb9732c2 | https://bugzilla.suse.com/show_bug.cgi?id=1229413 |
| suse_bugzilla | https://git.kernel.org/stable/c/d55aae5c1730d6b70d5d8eaff00113cd34772ea3 | https://bugzilla.suse.com/show_bug.cgi?id=1229413 |
| suse_bugzilla | https://git.kernel.org/stable/c/f7316b2b2f11cf0c6de917beee8d3de728be24db | https://bugzilla.suse.com/show_bug.cgi?id=1229413 |
| ubuntu | https://www.cve.org/CVERecord?id=CVE-2024-42311 | https://ubuntu.com/security/CVE-2024-42311 |
| ubuntu | https://git.kernel.org/linus/26a2ed107929a855155429b11e1293b83e6b2a8b (6.11-rc1) | https://ubuntu.com/security/CVE-2024-42311 |
| ubuntu | https://git.kernel.org/stable/c/58d83fc160505a7009c39dec64effaac5129b971 | https://ubuntu.com/security/CVE-2024-42311 |
| ubuntu | https://git.kernel.org/stable/c/9c4e40b9b731220f9464975e49da75496e3865c4 | https://ubuntu.com/security/CVE-2024-42311 |
| ubuntu | https://git.kernel.org/stable/c/d3493d6f0dfb1ab5225b62faa77732983f2187a1 | https://ubuntu.com/security/CVE-2024-42311 |
| ubuntu | https://git.kernel.org/stable/c/26a2ed107929a855155429b11e1293b83e6b2a8b | https://ubuntu.com/security/CVE-2024-42311 |
| ubuntu | https://git.kernel.org/stable/c/f7316b2b2f11cf0c6de917beee8d3de728be24db | https://ubuntu.com/security/CVE-2024-42311 |
| ubuntu | https://git.kernel.org/stable/c/4a52861cd76e79f1a593beb23d096523eb9732c2 | https://ubuntu.com/security/CVE-2024-42311 |
| ubuntu | https://git.kernel.org/stable/c/10f7163bfb5f8b4e0c9c05a939f20b8540e33c65 | https://ubuntu.com/security/CVE-2024-42311 |
| ubuntu | https://git.kernel.org/stable/c/d55aae5c1730d6b70d5d8eaff00113cd34772ea3 | https://ubuntu.com/security/CVE-2024-42311 |
| ubuntu | https://nvd.nist.gov/vuln/detail/CVE-2024-42311 | https://ubuntu.com/security/CVE-2024-42311 |
| ubuntu | https://launchpad.net/bugs/cve/CVE-2024-42311 | https://ubuntu.com/security/CVE-2024-42311 |
| ubuntu | https://security-tracker.debian.org/tracker/CVE-2024-42311 | https://ubuntu.com/security/CVE-2024-42311 |
| debian |  | https://security-tracker.debian.org/tracker/CVE-2024-42311 |

</details>

漏洞分析指导链接：
  https://gitee.com/openeuler/cve-manager/blob/master/cve-vulner-manager/doc/md/manual.md
 漏洞数据来源:
  openBrain开源漏洞感知系统
 漏洞补丁信息：
  <details>
<summary>详情(点击展开)</summary>

| 影响的包 | 修复版本 | 修复补丁 | 问题引入补丁 | 来源  |
| ------- | -------- | ------- | -------- | --------- |
|  |  | https://git.kernel.org/stable/c/10f7163bfb5f8b4e0c9c05a939f20b8540e33c65 |  | nvd |
|  |  | https://git.kernel.org/stable/c/26a2ed107929a855155429b11e1293b83e6b2a8b |  | nvd |
|  |  | https://git.kernel.org/stable/c/4a52861cd76e79f1a593beb23d096523eb9732c2 |  | nvd |
|  |  | https://git.kernel.org/stable/c/58d83fc160505a7009c39dec64effaac5129b971 |  | nvd |
|  |  | https://git.kernel.org/stable/c/9c4e40b9b731220f9464975e49da75496e3865c4 |  | nvd |
|  |  | https://git.kernel.org/stable/c/d3493d6f0dfb1ab5225b62faa77732983f2187a1 |  | nvd |
|  |  | https://git.kernel.org/stable/c/d55aae5c1730d6b70d5d8eaff00113cd34772ea3 |  | nvd |
|  |  | https://git.kernel.org/stable/c/f7316b2b2f11cf0c6de917beee8d3de728be24db |  | nvd |
| linux |  | https://git.kernel.org/linus/26a2ed107929a855155429b11e1293b83e6b2a8b | https://git.kernel.org/linus/1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 | ubuntu |

</details>

二、漏洞分析结构反馈
 影响性分析说明：
  In the Linux kernel, the following vulnerability has been resolved:hfs: fix to initialize fields of hfs_inode_info after hfs_alloc_inode()Syzbot reports uninitialized value access issue as below:loop0: detected capacity change from 0 to 64=====================================================BUG: KMSAN: uninit-value in hfs_revalidate_dentry+0x307/0x3f0 fs/hfs/sysdep.c:30 hfs_revalidate_dentry+0x307/0x3f0 fs/hfs/sysdep.c:30 d_revalidate fs/namei.c:862 [inline] lookup_fast+0x89e/0x8e0 fs/namei.c:1649 walk_component fs/namei.c:2001 [inline] link_path_walk+0x817/0x1480 fs/namei.c:2332 path_lookupat+0xd9/0x6f0 fs/namei.c:2485 filename_lookup+0x22e/0x740 fs/namei.c:2515 user_path_at_empty+0x8b/0x390 fs/namei.c:2924 user_path_at include/linux/namei.h:57 [inline] do_mount fs/namespace.c:3689 [inline] __do_sys_mount fs/namespace.c:3898 [inline] __se_sys_mount+0x66b/0x810 fs/namespace.c:3875 __x64_sys_mount+0xe4/0x140 fs/namespace.c:3875 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6bBUG: KMSAN: uninit-value in hfs_ext_read_extent fs/hfs/extent.c:196 [inline]BUG: KMSAN: uninit-value in hfs_get_block+0x92d/0x1620 fs/hfs/extent.c:366 hfs_ext_read_extent fs/hfs/extent.c:196 [inline] hfs_get_block+0x92d/0x1620 fs/hfs/extent.c:366 block_read_full_folio+0x4ff/0x11b0 fs/buffer.c:2271 hfs_read_folio+0x55/0x60 fs/hfs/inode.c:39 filemap_read_folio+0x148/0x4f0 mm/filemap.c:2426 do_read_cache_folio+0x7c8/0xd90 mm/filemap.c:3553 do_read_cache_page mm/filemap.c:3595 [inline] read_cache_page+0xfb/0x2f0 mm/filemap.c:3604 read_mapping_page include/linux/pagemap.h:755 [inline] hfs_btree_open+0x928/0x1ae0 fs/hfs/btree.c:78 hfs_mdb_get+0x260c/0x3000 fs/hfs/mdb.c:204 hfs_fill_super+0x1fb1/0x2790 fs/hfs/super.c:406 mount_bdev+0x628/0x920 fs/super.c:1359 hfs_mount+0xcd/0xe0 fs/hfs/super.c:456 legacy_get_tree+0x167/0x2e0 fs/fs_context.c:610 vfs_get_tree+0xdc/0x5d0 fs/super.c:1489 do_new_mount+0x7a9/0x16f0 fs/namespace.c:3145 path_mount+0xf98/0x26a0 fs/namespace.c:3475 do_mount fs/namespace.c:3488 [inline] __do_sys_mount fs/namespace.c:3697 [inline] __se_sys_mount+0x919/0x9e0 fs/namespace.c:3674 __ia32_sys_mount+0x15b/0x1b0 fs/namespace.c:3674 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178 do_fast_syscall_32+0x37/0x80 arch/x86/entry/common.c:203 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:246 entry_SYSENTER_compat_after_hwframe+0x70/0x82Uninit was created at: __alloc_pages+0x9a6/0xe00 mm/page_alloc.c:4590 __alloc_pages_node include/linux/gfp.h:238 [inline] alloc_pages_node include/linux/gfp.h:261 [inline] alloc_slab_page mm/slub.c:2190 [inline] allocate_slab mm/slub.c:2354 [inline] new_slab+0x2d7/0x1400 mm/slub.c:2407 ___slab_alloc+0x16b5/0x3970 mm/slub.c:3540 __slab_alloc mm/slub.c:3625 [inline] __slab_alloc_node mm/slub.c:3678 [inline] slab_alloc_node mm/slub.c:3850 [inline] kmem_cache_alloc_lru+0x64d/0xb30 mm/slub.c:3879 alloc_inode_sb include/linux/fs.h:3018 [inline] hfs_alloc_inode+0x5a/0xc0 fs/hfs/super.c:165 alloc_inode+0x83/0x440 fs/inode.c:260 new_inode_pseudo fs/inode.c:1005 [inline] new_inode+0x38/0x4f0 fs/inode.c:1031 hfs_new_inode+0x61/0x1010 fs/hfs/inode.c:186 hfs_mkdir+0x54/0x250 fs/hfs/dir.c:228 vfs_mkdir+0x49a/0x700 fs/namei.c:4126 do_mkdirat+0x529/0x810 fs/namei.c:4149 __do_sys_mkdirat fs/namei.c:4164 [inline] __se_sys_mkdirat fs/namei.c:4162 [inline] __x64_sys_mkdirat+0xc8/0x120 fs/namei.c:4162 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6bIt missed to initialize .tz_secondswest, .cached_start and .cached_blocksfields in struct hfs_inode_info after hfs_alloc_inode(), fix it.
 openEuler评分：
  5.5
 Vector：CVSS：3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
 受影响版本排查(受影响/不受影响)：
  1.openEuler-20.03-LTS-SP4(4.19.90):受影响
2.openEuler-22.03-LTS-SP1(5.10.0):受影响
3.openEuler-22.03-LTS-SP3(5.10.0):受影响
4.openEuler-22.03-LTS-SP4(5.10.0):受影响
5.openEuler-24.03-LTS(6.6.0):受影响
6.master(6.6.0):不受影响
7.openEuler-24.03-LTS-Next(6.6.0):不受影响

修复是否涉及abi变化(是/否)：
  1.openEuler-20.03-LTS-SP4(4.19.90):否
2.openEuler-22.03-LTS-SP1(5.10.0):否
3.openEuler-22.03-LTS-SP3(5.10.0):否
4.master(6.6.0):否
5.openEuler-24.03-LTS(6.6.0):否
6.openEuler-24.03-LTS-Next(6.6.0):否
7.openEuler-22.03-LTS-SP4(5.10.0):否

三、漏洞修复
安全公告链接：https://www.openeuler.org/zh/security/safety-bulletin/detail/?id=openEuler-SA-2024-2296

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