CVE-2024-41031

一、漏洞信息
 漏洞编号：[CVE-2024-41031](https://nvd.nist.gov/vuln/detail/CVE-2024-41031)
 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 V2.0分值：
  BaseScore：0.0 Low
  Vector：CVSS：2.0/
 漏洞简述：
  In the Linux kernel, the following vulnerability has been resolved:mm/filemap: skip to create PMD-sized page cache if neededOn ARM64, HPAGE_PMD_ORDER is 13 when the base page size is 64KB.  ThePMD-sized page cache can t be supported by xarray as the following errormessages indicate.------------[ cut here ]------------WARNING: CPU: 35 PID: 7484 at lib/xarray.c:1025 xas_split_alloc+0xf8/0x128Modules linked in: nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib   nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct     nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4     ip_set rfkill nf_tables nfnetlink vfat fat virtio_balloon drm       fuse xfs libcrc32c crct10dif_ce ghash_ce sha2_ce sha256_arm64       sha1_ce virtio_net net_failover virtio_console virtio_blk failover  dimlib virtio_mmioCPU: 35 PID: 7484 Comm: test Kdump: loaded Tainted: G W 6.10.0-rc5-gavin+ #9Hardware name: QEMU KVM Virtual Machine, BIOS edk2-20240524-1.el9 05/24/2024pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)pc : xas_split_alloc+0xf8/0x128lr : split_huge_page_to_list_to_order+0x1c4/0x720sp : ffff800087a4f6c0x29: ffff800087a4f6c0 x28: ffff800087a4f720 x27: 000000001fffffffx26: 0000000000000c40 x25: 000000000000000d x24: ffff00010625b858x23: ffff800087a4f720 x22: ffffffdfc0780000 x21: 0000000000000000x20: 0000000000000000 x19: ffffffdfc0780000 x18: 000000001ff40000x17: 00000000ffffffff x16: 0000018000000000 x15: 51ec004000000000x14: 0000e00000000000 x13: 0000000000002000 x12: 0000000000000020x11: 51ec000000000000 x10: 51ece1c0ffff8000 x9 : ffffbeb961a44d28x8 : 0000000000000003 x7 : ffffffdfc0456420 x6 : ffff0000e1aa6eb8x5 : 20bf08b4fe778fca x4 : ffffffdfc0456420 x3 : 0000000000000c40x2 : 000000000000000d x1 : 000000000000000c x0 : 0000000000000000Call trace: xas_split_alloc+0xf8/0x128 split_huge_page_to_list_to_order+0x1c4/0x720 truncate_inode_partial_folio+0xdc/0x160 truncate_inode_pages_range+0x1b4/0x4a8 truncate_pagecache_range+0x84/0xa0 xfs_flush_unmap_range+0x70/0x90 [xfs] xfs_file_fallocate+0xfc/0x4d8 [xfs] vfs_fallocate+0x124/0x2e8 ksys_fallocate+0x4c/0xa0 __arm64_sys_fallocate+0x24/0x38 invoke_syscall.constprop.0+0x7c/0xd8 do_el0_svc+0xb4/0xd0 el0_svc+0x44/0x1d8 el0t_64_sync_handler+0x134/0x150 el0t_64_sync+0x17c/0x180Fix it by skipping to allocate PMD-sized page cache when its size islarger than MAX_PAGECACHE_ORDER.  For this specific case, we will fall toregular path where the readahead window is determined by BDI s sysfs file(read_ahead_kb).
 漏洞公开时间：2024-07-29 23:15:11
 漏洞创建时间：2024-07-29 23:49:43
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2024-41031
<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/06b5a69c27ec405a3c3f2da8520ff1ee70b94a21 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/1ef650d3b1b2a16473981b447f38705fe9b93972 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/3390916aca7af1893ed2ebcdfee1d6fdb65bb058 |  |
| suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-41031 | https://bugzilla.suse.com/show_bug.cgi?id=1228454 |
| suse_bugzilla | https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2024/CVE-2024-41031.mbox | https://bugzilla.suse.com/show_bug.cgi?id=1228454 |
| suse_bugzilla | https://git.kernel.org/stable/c/06b5a69c27ec405a3c3f2da8520ff1ee70b94a21 | https://bugzilla.suse.com/show_bug.cgi?id=1228454 |
| suse_bugzilla | https://git.kernel.org/stable/c/1ef650d3b1b2a16473981b447f38705fe9b93972 | https://bugzilla.suse.com/show_bug.cgi?id=1228454 |
| suse_bugzilla | https://git.kernel.org/stable/c/3390916aca7af1893ed2ebcdfee1d6fdb65bb058 | https://bugzilla.suse.com/show_bug.cgi?id=1228454 |
| suse_bugzilla | https://www.cve.org/CVERecord?id=CVE-2024-41031 | https://bugzilla.suse.com/show_bug.cgi?id=1228454 |
| ubuntu | https://www.cve.org/CVERecord?id=CVE-2024-41031 | https://ubuntu.com/security/CVE-2024-41031 |
| ubuntu | https://git.kernel.org/linus/3390916aca7af1893ed2ebcdfee1d6fdb65bb058 (6.10) | https://ubuntu.com/security/CVE-2024-41031 |
| ubuntu | https://git.kernel.org/stable/c/06b5a69c27ec405a3c3f2da8520ff1ee70b94a21 | https://ubuntu.com/security/CVE-2024-41031 |
| ubuntu | https://git.kernel.org/stable/c/1ef650d3b1b2a16473981b447f38705fe9b93972 | https://ubuntu.com/security/CVE-2024-41031 |
| ubuntu | https://git.kernel.org/stable/c/3390916aca7af1893ed2ebcdfee1d6fdb65bb058 | https://ubuntu.com/security/CVE-2024-41031 |
| ubuntu | https://nvd.nist.gov/vuln/detail/CVE-2024-41031 | https://ubuntu.com/security/CVE-2024-41031 |
| ubuntu | https://launchpad.net/bugs/cve/CVE-2024-41031 | https://ubuntu.com/security/CVE-2024-41031 |
| ubuntu | https://security-tracker.debian.org/tracker/CVE-2024-41031 | https://ubuntu.com/security/CVE-2024-41031 |
| debian |  | https://security-tracker.debian.org/tracker/CVE-2024-41031 |
| mageia |  | http://advisories.mageia.org/MGASA-2024-0278.html |

</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:
  其它
 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  |
| ------- | -------- | ------- | -------- | --------- |
| linux |  | https://git.kernel.org/linus/3390916aca7af1893ed2ebcdfee1d6fdb65bb058 | 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:mm/filemap: skip to create PMD-sized page cache if neededOn ARM64, HPAGE_PMD_ORDER is 13 when the base page size is 64KB.  ThePMD-sized page cache can_x27;t be supported by xarray as the following errormessages indicate.------------[ cut here ]------------WARNING: CPU: 35 PID: 7484 at lib/xarray.c:1025 xas_split_alloc+0xf8/0x128Modules linked in: nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib   nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct     nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4     ip_set rfkill nf_tables nfnetlink vfat fat virtio_balloon drm       fuse xfs libcrc32c crct10dif_ce ghash_ce sha2_ce sha256_arm64       sha1_ce virtio_net net_failover virtio_console virtio_blk failover  dimlib virtio_mmioCPU: 35 PID: 7484 Comm: test Kdump: loaded Tainted: G W 6.10.0-rc5-gavin+ #9Hardware name: QEMU KVM Virtual Machine, BIOS edk2-20240524-1.el9 05/24/2024pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)pc : xas_split_alloc+0xf8/0x128lr : split_huge_page_to_list_to_order+0x1c4/0x720sp : ffff800087a4f6c0x29: ffff800087a4f6c0 x28: ffff800087a4f720 x27: 000000001fffffffx26: 0000000000000c40 x25: 000000000000000d x24: ffff00010625b858x23: ffff800087a4f720 x22: ffffffdfc0780000 x21: 0000000000000000x20: 0000000000000000 x19: ffffffdfc0780000 x18: 000000001ff40000x17: 00000000ffffffff x16: 0000018000000000 x15: 51ec004000000000x14: 0000e00000000000 x13: 0000000000002000 x12: 0000000000000020x11: 51ec000000000000 x10: 51ece1c0ffff8000 x9 : ffffbeb961a44d28x8 : 0000000000000003 x7 : ffffffdfc0456420 x6 : ffff0000e1aa6eb8x5 : 20bf08b4fe778fca x4 : ffffffdfc0456420 x3 : 0000000000000c40x2 : 000000000000000d x1 : 000000000000000c x0 : 0000000000000000Call trace: xas_split_alloc+0xf8/0x128 split_huge_page_to_list_to_order+0x1c4/0x720 truncate_inode_partial_folio+0xdc/0x160 truncate_inode_pages_range+0x1b4/0x4a8 truncate_pagecache_range+0x84/0xa0 xfs_flush_unmap_range+0x70/0x90 [xfs] xfs_file_fallocate+0xfc/0x4d8 [xfs] vfs_fallocate+0x124/0x2e8 ksys_fallocate+0x4c/0xa0 __arm64_sys_fallocate+0x24/0x38 invoke_syscall.constprop.0+0x7c/0xd8 do_el0_svc+0xb4/0xd0 el0_svc+0x44/0x1d8 el0t_64_sync_handler+0x134/0x150 el0t_64_sync+0x17c/0x180Fix it by skipping to allocate PMD-sized page cache when its size islarger than MAX_PAGECACHE_ORDER.  For this specific case, we will fall toregular path where the readahead window is determined by BDI_x27;s sysfs file(read_ahead_kb).  
 openEuler评分：
  3.3
 Vector：CVSS：2.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
 受影响版本排查(受影响/不受影响)：
  1.openEuler-24.03-LTS(6.6.0):受影响
2.openEuler-20.03-LTS-SP4(4.19.90):不受影响
3.openEuler-22.03-LTS-SP1(5.10.0):不受影响
4.openEuler-22.03-LTS-SP3(5.10.0):不受影响
5.openEuler-22.03-LTS-SP4(5.10.0):不受影响
6.master(6.1.0):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(6.1.0):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-2024-2076

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