CVE-2024-38661

一、漏洞信息
 漏洞编号：[CVE-2024-38661](https://nvd.nist.gov/vuln/detail/CVE-2024-38661)
 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 Medium
  Vector：CVSS：2.0/
 漏洞简述：
  In the Linux kernel, the following vulnerability has been resolved:s390/ap: Fix crash in AP internal function modify_bitmap()A system crash like this  Failing address: 200000cb7df6f000 TEID: 200000cb7df6f403  Fault in home space mode while using kernel ASCE.  AS:00000002d71bc007 R3:00000003fe5b8007 S:000000011a446000 P:000000015660c13d  Oops: 0038 ilc:3 [#1] PREEMPT SMP  Modules linked in: mlx5_ib ...  CPU: 8 PID: 7556 Comm: bash Not tainted 6.9.0-rc7 #8  Hardware name: IBM 3931 A01 704 (LPAR)  Krnl PSW : 0704e00180000000 0000014b75e7b606 (ap_parse_bitmap_str+0x10e/0x1f8)  R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:3 CC:2 PM:0 RI:0 EA:3  Krnl GPRS: 0000000000000001 ffffffffffffffc0 0000000000000001 00000048f96b75d3  000000cb00000100 ffffffffffffffff ffffffffffffffff 000000cb7df6fce0  000000cb7df6fce0 00000000ffffffff 000000000000002b 00000048ffffffff  000003ff9b2dbc80 200000cb7df6fcd8 0000014bffffffc0 000000cb7df6fbc8  Krnl Code: 0000014b75e7b5fc: a7840047            brc     8,0000014b75e7b68a  0000014b75e7b600: 18b2                lr      %r11,%r2  #0000014b75e7b602: a7f4000a            brc     15,0000014b75e7b616  >0000014b75e7b606: eb22d00000e6        laog    %r2,%r2,0(%r13)  0000014b75e7b60c: a7680001            lhi     %r6,1  0000014b75e7b610: 187b                lr      %r7,%r11  0000014b75e7b612: 84960021            brxh    %r9,%r6,0000014b75e7b654  0000014b75e7b616: 18e9                lr      %r14,%r9  Call Trace:  [<0000014b75e7b606>] ap_parse_bitmap_str+0x10e/0x1f8  ([<0000014b75e7b5dc>] ap_parse_bitmap_str+0xe4/0x1f8)  [<0000014b75e7b758>] apmask_store+0x68/0x140  [<0000014b75679196>] kernfs_fop_write_iter+0x14e/0x1e8  [<0000014b75598524>] vfs_write+0x1b4/0x448  [<0000014b7559894c>] ksys_write+0x74/0x100  [<0000014b7618a440>] __do_syscall+0x268/0x328  [<0000014b761a3558>] system_call+0x70/0x98  INFO: lockdep is turned off.  Last Breaking-Event-Address:  [<0000014b75e7b636>] ap_parse_bitmap_str+0x13e/0x1f8  Kernel panic - not syncing: Fatal exception: panic_on_oopsoccured when /sys/bus/ap/a[pq]mask was updated with a relative mask value(like +0x10-0x12,+60,-90) with one of the numeric values exceeding INT_MAX.The fix is simple: use unsigned long values for the internal variables. Thecorrect checks are already in place in the function but a simple int forthe internal variables was used with the possibility to overflow.
 漏洞公开时间：2024-06-25 23:15:13
 漏洞创建时间：2024-06-25 23:58:16
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2024-38661
<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/2062e3f1f2374102f8014d7ca286b9aa527bd558 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/4c0bfb4e867c1ec6616a5049bd3618021e127056 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/67011123453b91ec03671d40712fa213e94a01b9 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/7360cef95aa1ea2b5efb7b5e2ed32e941664e1f0 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/7c72af16abf2ec7520407098360bbba312289e05 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/7dabe54a016defe11bb2a278cd9f1ff6db3feba6 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/8c5f5911c1b13170d3404eb992c6a0deaa8d81ad |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/d4f9d5a99a3fd1b1c691b7a1a6f8f3f25f4116c9 |  |
| suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-38661 | https://bugzilla.suse.com/show_bug.cgi?id=1226996 |
| suse_bugzilla | https://www.cve.org/CVERecord?id=CVE-2024-38661 | https://bugzilla.suse.com/show_bug.cgi?id=1226996 |
| suse_bugzilla | https://git.kernel.org/stable/c/2062e3f1f2374102f8014d7ca286b9aa527bd558 | https://bugzilla.suse.com/show_bug.cgi?id=1226996 |
| suse_bugzilla | https://git.kernel.org/stable/c/4c0bfb4e867c1ec6616a5049bd3618021e127056 | https://bugzilla.suse.com/show_bug.cgi?id=1226996 |
| suse_bugzilla | https://git.kernel.org/stable/c/67011123453b91ec03671d40712fa213e94a01b9 | https://bugzilla.suse.com/show_bug.cgi?id=1226996 |
| suse_bugzilla | https://git.kernel.org/stable/c/7360cef95aa1ea2b5efb7b5e2ed32e941664e1f0 | https://bugzilla.suse.com/show_bug.cgi?id=1226996 |
| suse_bugzilla | https://git.kernel.org/stable/c/7c72af16abf2ec7520407098360bbba312289e05 | https://bugzilla.suse.com/show_bug.cgi?id=1226996 |
| suse_bugzilla | https://git.kernel.org/stable/c/7dabe54a016defe11bb2a278cd9f1ff6db3feba6 | https://bugzilla.suse.com/show_bug.cgi?id=1226996 |
| suse_bugzilla | https://git.kernel.org/stable/c/8c5f5911c1b13170d3404eb992c6a0deaa8d81ad | https://bugzilla.suse.com/show_bug.cgi?id=1226996 |
| suse_bugzilla | https://git.kernel.org/stable/c/d4f9d5a99a3fd1b1c691b7a1a6f8f3f25f4116c9 | https://bugzilla.suse.com/show_bug.cgi?id=1226996 |
| suse_bugzilla | https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2024/CVE-2024-38661.mbox | https://bugzilla.suse.com/show_bug.cgi?id=1226996 |
| suse_bugzilla | https://bugzilla.redhat.com/show_bug.cgi?id=2294277 | https://bugzilla.suse.com/show_bug.cgi?id=1226996 |
| redhat_bugzilla | https://lore.kernel.org/linux-cve-announce/2024062548-CVE-2024-38661-44a9@gregkh/T | https://bugzilla.redhat.com/show_bug.cgi?id=2294277 |
| ubuntu | https://www.cve.org/CVERecord?id=CVE-2024-38661 | https://ubuntu.com/security/CVE-2024-38661 |
| ubuntu | https://git.kernel.org/linus/d4f9d5a99a3fd1b1c691b7a1a6f8f3f25f4116c9 (6.10-rc1) | https://ubuntu.com/security/CVE-2024-38661 |
| ubuntu | https://git.kernel.org/stable/c/2062e3f1f2374102f8014d7ca286b9aa527bd558 | https://ubuntu.com/security/CVE-2024-38661 |
| ubuntu | https://git.kernel.org/stable/c/7c72af16abf2ec7520407098360bbba312289e05 | https://ubuntu.com/security/CVE-2024-38661 |
| ubuntu | https://git.kernel.org/stable/c/7360cef95aa1ea2b5efb7b5e2ed32e941664e1f0 | https://ubuntu.com/security/CVE-2024-38661 |
| ubuntu | https://git.kernel.org/stable/c/67011123453b91ec03671d40712fa213e94a01b9 | https://ubuntu.com/security/CVE-2024-38661 |
| ubuntu | https://git.kernel.org/stable/c/8c5f5911c1b13170d3404eb992c6a0deaa8d81ad | https://ubuntu.com/security/CVE-2024-38661 |
| ubuntu | https://git.kernel.org/stable/c/4c0bfb4e867c1ec6616a5049bd3618021e127056 | https://ubuntu.com/security/CVE-2024-38661 |
| ubuntu | https://git.kernel.org/stable/c/7dabe54a016defe11bb2a278cd9f1ff6db3feba6 | https://ubuntu.com/security/CVE-2024-38661 |
| ubuntu | https://git.kernel.org/stable/c/d4f9d5a99a3fd1b1c691b7a1a6f8f3f25f4116c9 | https://ubuntu.com/security/CVE-2024-38661 |
| ubuntu | https://nvd.nist.gov/vuln/detail/CVE-2024-38661 | https://ubuntu.com/security/CVE-2024-38661 |
| ubuntu | https://launchpad.net/bugs/cve/CVE-2024-38661 | https://ubuntu.com/security/CVE-2024-38661 |
| ubuntu | https://security-tracker.debian.org/tracker/CVE-2024-38661 | https://ubuntu.com/security/CVE-2024-38661 |
| debian |  | https://security-tracker.debian.org/tracker/CVE-2024-38661 |
| mageia |  | http://advisories.mageia.org/MGASA-2024-0263.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:
  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  |
| ------- | -------- | ------- | -------- | --------- |
| linux |  | https://git.kernel.org/linus/d4f9d5a99a3fd1b1c691b7a1a6f8f3f25f4116c9 | 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:s390/ap: Fix crash in AP internal function modify_bitmap()A system crash like thisFailing address: 200000cb7df6f000 TEID: 200000cb7df6f403Fault in home space mode while using kernel ASCE.AS:00000002d71bc007 R3:00000003fe5b8007 S:000000011a446000 P:000000015660c13dOops: 0038 ilc:3 [#1] PREEMPT SMPModules linked in: mlx5_ib ...CPU: 8 PID: 7556 Comm: bash Not tainted 6.9.0-rc7 #8Hardware name: IBM 3931 A01 704 (LPAR)Krnl PSW : 0704e00180000000 0000014b75e7b606 (ap_parse_bitmap_str+0x10e/0x1f8)R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:3 CC:2 PM:0 RI:0 EA:3Krnl GPRS: 0000000000000001 ffffffffffffffc0 0000000000000001 00000048f96b75d3000000cb00000100 ffffffffffffffff ffffffffffffffff 000000cb7df6fce0000000cb7df6fce0 00000000ffffffff 000000000000002b 00000048ffffffff000003ff9b2dbc80 200000cb7df6fcd8 0000014bffffffc0 000000cb7df6fbc8Krnl Code: 0000014b75e7b5fc: a7840047 brc 8,0000014b75e7b68a0000014b75e7b600: 18b2 lr %r11,%r2#0000014b75e7b602: a7f4000a brc 15,0000014b75e7b6160000014b75e7b606: eb22d00000e6 laog %r2,%r2,0(%r13)0000014b75e7b60c: a7680001 lhi %r6,10000014b75e7b610: 187b lr %r7,%r110000014b75e7b612: 84960021 brxh %r9,%r6,0000014b75e7b6540000014b75e7b616: 18e9 lr %r14,%r9Call Trace:[<0000014b75e7b606>] ap_parse_bitmap_str+0x10e/0x1f8([<0000014b75e7b5dc>] ap_parse_bitmap_str+0xe4/0x1f8)[<0000014b75e7b758>] apmask_store+0x68/0x140[<0000014b75679196>] kernfs_fop_write_iter+0x14e/0x1e8[<0000014b75598524>] vfs_write+0x1b4/0x448[<0000014b7559894c>] ksys_write+0x74/0x100[<0000014b7618a440>] __do_syscall+0x268/0x328[<0000014b761a3558>] system_call+0x70/0x98INFO: lockdep is turned off.Last Breaking-Event-Address:[<0000014b75e7b636>] ap_parse_bitmap_str+0x13e/0x1f8Kernel panic - not syncing: Fatal exception: panic_on_oopsoccured when /sys/bus/ap/a[pq]mask was updated with a relative mask value(like +0x10-0x12,+60,-90) with one of the numeric values exceeding INT_MAX.The fix is simple: use unsigned long values for the internal variables. Thecorrect checks are already in place in the function but a simple int forthe internal variables was used with the possibility to overflow.The Linux kernel CVE team has assigned CVE-2024-38661 to this issue.     
 openEuler评分：
  5.5
 Vector：CVSS：2.0/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-SP1(4.19.90):受影响
2.openEuler-20.03-LTS-SP4(4.19.90):受影响
3.openEuler-22.03-LTS-SP1(5.10.0):受影响
4.openEuler-22.03-LTS-SP3(5.10.0):受影响
5.openEuler-24.03-LTS(6.6.0):受影响
6.openEuler-24.03-LTS-Next(6.6.0):受影响
7.openEuler-22.03-LTS(5.10.0):不受影响
8.openEuler-22.03-LTS-SP2(5.10.0):不受影响
9.openEuler-22.03-LTS-SP4(5.10.0):不受影响
10.master(6.1.0):不受影响
11.openEuler-22.03-LTS-Next(5.10.0):不受影响

修复是否涉及abi变化(是/否)：
  1.openEuler-20.03-LTS-SP1(4.19.90):否
2.openEuler-20.03-LTS-SP4(4.19.90):否
3.openEuler-22.03-LTS(5.10.0):否
4.openEuler-22.03-LTS-SP1(5.10.0):否
5.openEuler-22.03-LTS-SP2(5.10.0):否
6.openEuler-22.03-LTS-SP3(5.10.0):否
7.master(6.1.0):否
8.openEuler-22.03-LTS-Next(5.10.0):否
9.openEuler-24.03-LTS(6.6.0):否
10.openEuler-24.03-LTS-Next(6.6.0):否
11.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-2024-1863

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