CVE-2024-47715

一、漏洞信息
 漏洞编号：[CVE-2024-47715](https://nvd.nist.gov/vuln/detail/CVE-2024-47715)
 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:wifi: mt76: mt7915: fix oops on non-dbdc mt7986mt7915_band_config() sets band_idx = 1 on the main phy for mt7986with MT7975_ONE_ADIE or MT7976_ONE_ADIE.Commit 0335c034e726 ( wifi: mt76: fix race condition related tochecking tx queue fill status ) introduced a dereference of thephys array indirectly indexed by band_idx via wcid->phy_idx inmt76_wcid_cleanup(). This caused the following Oops on affectedmt7986 devices: Unable to handle kernel read from unreadable memory at virtual address 0000000000000024 Mem abort info:   ESR = 0x0000000096000005   EC = 0x25: DABT (current EL), IL = 32 bits   SET = 0, FnV = 0   EA = 0, S1PTW = 0   FSC = 0x05: level 1 translation fault Data abort info:   ISV = 0, ISS = 0x00000005   CM = 0, WnR = 0 user pgtable: 4k pages, 39-bit VAs, pgdp=0000000042545000 [0000000000000024] pgd=0000000000000000, p4d=0000000000000000, pud=0000000000000000 Internal error: Oops: 0000000096000005 [#1] SMP Modules linked in: ... mt7915e mt76_connac_lib mt76 mac80211 cfg80211 ... CPU: 2 PID: 1631 Comm: hostapd Not tainted 5.15.150 #0 Hardware name: ZyXEL EX5700 (Telenor) (DT) pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : mt76_wcid_cleanup+0x84/0x22c [mt76] lr : mt76_wcid_cleanup+0x64/0x22c [mt76] sp : ffffffc00a803700 x29: ffffffc00a803700 x28: ffffff80008f7300 x27: ffffff80003f3c00 x26: ffffff80000a7880 x25: ffffffc008c26e00 x24: 0000000000000001 x23: ffffffc000a68114 x22: 0000000000000000 x21: ffffff8004172cc8 x20: ffffffc00a803748 x19: ffffff8004152020 x18: 0000000000000000 x17: 00000000000017c0 x16: ffffffc008ef5000 x15: 0000000000000be0 x14: ffffff8004172e28 x13: ffffff8004172e28 x12: 0000000000000000 x11: 0000000000000000 x10: ffffff8004172e30 x9 : ffffff8004172e28 x8 : 0000000000000000 x7 : ffffff8004156020 x6 : 0000000000000000 x5 : 0000000000000031 x4 : 0000000000000000 x3 : 0000000000000001 x2 : 0000000000000000 x1 : ffffff80008f7300 x0 : 0000000000000024 Call trace:  mt76_wcid_cleanup+0x84/0x22c [mt76]  __mt76_sta_remove+0x70/0xbc [mt76]  mt76_sta_state+0x8c/0x1a4 [mt76]  mt7915_eeprom_get_power_delta+0x11e4/0x23a0 [mt7915e]  drv_sta_state+0x144/0x274 [mac80211]  sta_info_move_state+0x1cc/0x2a4 [mac80211]  sta_set_sinfo+0xaf8/0xc24 [mac80211]  sta_info_destroy_addr_bss+0x4c/0x6c [mac80211]  ieee80211_color_change_finish+0x1c08/0x1e70 [mac80211]  cfg80211_check_station_change+0x1360/0x4710 [cfg80211]  genl_family_rcv_msg_doit+0xb4/0x110  genl_rcv_msg+0xd0/0x1bc  netlink_rcv_skb+0x58/0x120  genl_rcv+0x34/0x50  netlink_unicast+0x1f0/0x2ec  netlink_sendmsg+0x198/0x3d0  ____sys_sendmsg+0x1b0/0x210  ___sys_sendmsg+0x80/0xf0  __sys_sendmsg+0x44/0xa0  __arm64_sys_sendmsg+0x20/0x30  invoke_syscall.constprop.0+0x4c/0xe0  do_el0_svc+0x40/0xd0  el0_svc+0x14/0x4c  el0t_64_sync_handler+0x100/0x110  el0t_64_sync+0x15c/0x160 Code: d2800002 910092c0 52800023 f9800011 (885f7c01) ---[ end trace 7e42dd9a39ed2281 ]---Fix by using mt76_dev_phy() which will map band_idx to the correct phyfor all hardware combinations.
 漏洞公开时间：2024-10-21 20:15:07
 漏洞创建时间：2024-10-21 20:44:13
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2024-47715
<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/7c128f3ff0be5802aef66f332e4bba6afe98735e |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/818dd118f4a997f8b4fe9c010b22402d410a2424 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/862bf7cbd772c2bad570ef0c5b5556a1330656dd |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/a94d2bd111b39f0c2c7fcbfbf8276ab98c3b8353 |  |
| suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-47715 | https://bugzilla.suse.com/show_bug.cgi?id=1231860 |
| suse_bugzilla | https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2024/CVE-2024-47715.mbox | https://bugzilla.suse.com/show_bug.cgi?id=1231860 |
| suse_bugzilla | https://git.kernel.org/stable/c/818dd118f4a997f8b4fe9c010b22402d410a2424 | https://bugzilla.suse.com/show_bug.cgi?id=1231860 |
| suse_bugzilla | https://git.kernel.org/stable/c/7c128f3ff0be5802aef66f332e4bba6afe98735e | https://bugzilla.suse.com/show_bug.cgi?id=1231860 |
| suse_bugzilla | https://git.kernel.org/stable/c/a94d2bd111b39f0c2c7fcbfbf8276ab98c3b8353 | https://bugzilla.suse.com/show_bug.cgi?id=1231860 |
| suse_bugzilla | https://git.kernel.org/stable/c/862bf7cbd772c2bad570ef0c5b5556a1330656dd | https://bugzilla.suse.com/show_bug.cgi?id=1231860 |
| suse_bugzilla | https://www.cve.org/CVERecord?id=CVE-2024-47715 | https://bugzilla.suse.com/show_bug.cgi?id=1231860 |
| debian |  | https://security-tracker.debian.org/tracker/CVE-2024-47715 |
| mageia |  | http://advisories.mageia.org/MGASA-2024-0345.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  |
| ------- | -------- | ------- | -------- | --------- |
|  |  | https://git.kernel.org/stable/c/7c128f3ff0be5802aef66f332e4bba6afe98735e |  | nvd |
|  |  | https://git.kernel.org/stable/c/818dd118f4a997f8b4fe9c010b22402d410a2424 |  | nvd |
|  |  | https://git.kernel.org/stable/c/862bf7cbd772c2bad570ef0c5b5556a1330656dd |  | nvd |
|  |  | https://git.kernel.org/stable/c/a94d2bd111b39f0c2c7fcbfbf8276ab98c3b8353 |  | nvd |

</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:wifi: mt76: mt7915: fix oops on non-dbdc mt7986mt7915_band_config() sets band_idx = 1 on the main phy for mt7986with MT7975_ONE_ADIE or MT7976_ONE_ADIE.Commit 0335c034e726 ( wifi: mt76: fix race condition related tochecking tx queue fill status ) introduced a dereference of thephys array indirectly indexed by band_idx via wcid->phy_idx inmt76_wcid_cleanup(). This caused the following Oops on affectedmt7986 devices: Unable to handle kernel read from unreadable memory at virtual address 0000000000000024 Mem abort info:   ESR = 0x0000000096000005   EC = 0x25: DABT (current EL), IL = 32 bits   SET = 0, FnV = 0   EA = 0, S1PTW = 0   FSC = 0x05: level 1 translation fault Data abort info:   ISV = 0, ISS = 0x00000005   CM = 0, WnR = 0 user pgtable: 4k pages, 39-bit VAs, pgdp=0000000042545000 [0000000000000024] pgd=0000000000000000, p4d=0000000000000000, pud=0000000000000000 Internal error: Oops: 0000000096000005 [#1] SMP Modules linked in: ... mt7915e mt76_connac_lib mt76 mac80211 cfg80211 ... CPU: 2 PID: 1631 Comm: hostapd Not tainted 5.15.150 #0 Hardware name: ZyXEL EX5700 (Telenor) (DT) pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : mt76_wcid_cleanup+0x84/0x22c [mt76] lr : mt76_wcid_cleanup+0x64/0x22c [mt76] sp : ffffffc00a803700 x29: ffffffc00a803700 x28: ffffff80008f7300 x27: ffffff80003f3c00 x26: ffffff80000a7880 x25: ffffffc008c26e00 x24: 0000000000000001 x23: ffffffc000a68114 x22: 0000000000000000 x21: ffffff8004172cc8 x20: ffffffc00a803748 x19: ffffff8004152020 x18: 0000000000000000 x17: 00000000000017c0 x16: ffffffc008ef5000 x15: 0000000000000be0 x14: ffffff8004172e28 x13: ffffff8004172e28 x12: 0000000000000000 x11: 0000000000000000 x10: ffffff8004172e30 x9 : ffffff8004172e28 x8 : 0000000000000000 x7 : ffffff8004156020 x6 : 0000000000000000 x5 : 0000000000000031 x4 : 0000000000000000 x3 : 0000000000000001 x2 : 0000000000000000 x1 : ffffff80008f7300 x0 : 0000000000000024 Call trace:  mt76_wcid_cleanup+0x84/0x22c [mt76]  __mt76_sta_remove+0x70/0xbc [mt76]  mt76_sta_state+0x8c/0x1a4 [mt76]  mt7915_eeprom_get_power_delta+0x11e4/0x23a0 [mt7915e]  drv_sta_state+0x144/0x274 [mac80211]  sta_info_move_state+0x1cc/0x2a4 [mac80211]  sta_set_sinfo+0xaf8/0xc24 [mac80211]  sta_info_destroy_addr_bss+0x4c/0x6c [mac80211]  ieee80211_color_change_finish+0x1c08/0x1e70 [mac80211]  cfg80211_check_station_change+0x1360/0x4710 [cfg80211]  genl_family_rcv_msg_doit+0xb4/0x110  genl_rcv_msg+0xd0/0x1bc  netlink_rcv_skb+0x58/0x120  genl_rcv+0x34/0x50  netlink_unicast+0x1f0/0x2ec  netlink_sendmsg+0x198/0x3d0  ____sys_sendmsg+0x1b0/0x210  ___sys_sendmsg+0x80/0xf0  __sys_sendmsg+0x44/0xa0  __arm64_sys_sendmsg+0x20/0x30  invoke_syscall.constprop.0+0x4c/0xe0  do_el0_svc+0x40/0xd0  el0_svc+0x14/0x4c  el0t_64_sync_handler+0x100/0x110  el0t_64_sync+0x15c/0x160 Code: d2800002 910092c0 52800023 f9800011 (885f7c01) ---[ end trace 7e42dd9a39ed2281 ]---Fix by using mt76_dev_phy() which will map band_idx to the correct phyfor all hardware combinations.
 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-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(6.6.0):不受影响
7.openEuler-24.03-LTS-Next(6.6.0):不受影响
8.openEuler-24.03-LTS-SP1: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
8.openEuler-24.03-LTS-SP1:否

原因说明：
  1.openEuler-24.03-LTS(6.6.0):正常修复
2.openEuler-20.03-LTS-SP4(4.19.90):不受影响-漏洞代码不存在
3.openEuler-22.03-LTS-SP1(5.10.0):不受影响-漏洞代码不存在
4.openEuler-22.03-LTS-SP3(5.10.0):不受影响-漏洞代码不存在
5.openEuler-22.03-LTS-SP4(5.10.0):不受影响-漏洞代码不存在
6.master(6.6.0):不受影响-漏洞代码不存在
7.openEuler-24.03-LTS-Next(6.6.0):不受影响-漏洞代码不存在
8.openEuler-24.03-LTS-SP1:不受影响-漏洞代码不存在

三、漏洞修复
安全公告链接：https://www.openeuler.org/zh/security/safety-bulletin/detail/?id=openEuler-SA-2024-2522

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