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CVE-2022-48728— IB/hfi1: Fix AIP early init panic

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel 存在安全漏洞，该漏洞源于 IB/hfi1 模块 AIP 早期初始化恐慌。

AI Predicted 5.0 Difficulty: Moderate EPSS 0.24% · P14

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 10

VendorProduct Version RangeStatus
Linux Linux d99dc602e2a55a99940ba9506a7126dfa54d54ea< 4a9bd1e6780fc59f81466ec3489d5ad535a37190 affected
d99dc602e2a55a99940ba9506a7126dfa54d54ea< a3dd4d2682f2a796121609e5f3bbeb1243198c53 affected
d99dc602e2a55a99940ba9506a7126dfa54d54ea< 1899c3cad265c4583658aed5293d02e8af84276b affected
d99dc602e2a55a99940ba9506a7126dfa54d54ea< 5f8f55b92edd621f056bdf09e572092849fabd83 affected
5.8 affected
< 5.8 unaffected
5.10.99≤ 5.10.* unaffected
5.15.22≤ 5.15.* unaffected
… +2 more rows
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I. Basic Information for CVE-2022-48728

Vulnerability Information
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Vulnerability Title
IB/hfi1: Fix AIP early init panic
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: IB/hfi1: Fix AIP early init panic An early failure in hfi1_ipoib_setup_rn() can lead to the following panic: BUG: unable to handle kernel NULL pointer dereference at 00000000000001b0 PGD 0 P4D 0 Oops: 0002 [#1] SMP NOPTI Workqueue: events work_for_cpu_fn RIP: 0010:try_to_grab_pending+0x2b/0x140 Code: 1f 44 00 00 41 55 41 54 55 48 89 d5 53 48 89 fb 9c 58 0f 1f 44 00 00 48 89 c2 fa 66 0f 1f 44 00 00 48 89 55 00 40 84 f6 75 77 <f0> 48 0f ba 2b 00 72 09 31 c0 5b 5d 41 5c 41 5d c3 48 89 df e8 6c RSP: 0018:ffffb6b3cf7cfa48 EFLAGS: 00010046 RAX: 0000000000000246 RBX: 00000000000001b0 RCX: 0000000000000000 RDX: 0000000000000246 RSI: 0000000000000000 RDI: 00000000000001b0 RBP: ffffb6b3cf7cfa70 R08: 0000000000000f09 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: ffffb6b3cf7cfa90 R14: ffffffff9b2fbfc0 R15: ffff8a4fdf244690 FS: 0000000000000000(0000) GS:ffff8a527f400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000000001b0 CR3: 00000017e2410003 CR4: 00000000007706f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 PKRU: 55555554 Call Trace: __cancel_work_timer+0x42/0x190 ? dev_printk_emit+0x4e/0x70 iowait_cancel_work+0x15/0x30 [hfi1] hfi1_ipoib_txreq_deinit+0x5a/0x220 [hfi1] ? dev_err+0x6c/0x90 hfi1_ipoib_netdev_dtor+0x15/0x30 [hfi1] hfi1_ipoib_setup_rn+0x10e/0x150 [hfi1] rdma_init_netdev+0x5a/0x80 [ib_core] ? hfi1_ipoib_free_rdma_netdev+0x20/0x20 [hfi1] ipoib_intf_init+0x6c/0x350 [ib_ipoib] ipoib_intf_alloc+0x5c/0xc0 [ib_ipoib] ipoib_add_one+0xbe/0x300 [ib_ipoib] add_client_context+0x12c/0x1a0 [ib_core] enable_device_and_get+0xdc/0x1d0 [ib_core] ib_register_device+0x572/0x6b0 [ib_core] rvt_register_device+0x11b/0x220 [rdmavt] hfi1_register_ib_device+0x6b4/0x770 [hfi1] do_init_one.isra.20+0x3e3/0x680 [hfi1] local_pci_probe+0x41/0x90 work_for_cpu_fn+0x16/0x20 process_one_work+0x1a7/0x360 ? create_worker+0x1a0/0x1a0 worker_thread+0x1cf/0x390 ? create_worker+0x1a0/0x1a0 kthread+0x116/0x130 ? kthread_flush_work_fn+0x10/0x10 ret_from_fork+0x1f/0x40 The panic happens in hfi1_ipoib_txreq_deinit() because there is a NULL deref when hfi1_ipoib_netdev_dtor() is called in this error case. hfi1_ipoib_txreq_init() and hfi1_ipoib_rxq_init() are self unwinding so fix by adjusting the error paths accordingly. Other changes: - hfi1_ipoib_free_rdma_netdev() is deleted including the free_netdev() since the netdev core code deletes calls free_netdev() - The switch to the accelerated entrances is moved to the success path.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel 存在安全漏洞，该漏洞源于 IB/hfi1 模块 AIP 早期初始化恐慌。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linux Linux d99dc602e2a55a99940ba9506a7126dfa54d54ea ~ 4a9bd1e6780fc59f81466ec3489d5ad535a37190 -
Linux Linux 5.8 -

II. Public POCs for CVE-2022-48728

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III. Intelligence Information for CVE-2022-48728

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Other References for CVE-2022-48728 (4)

Same Patch Batch · Linux · 2024-06-20 · 67 CVEs total

CVE-2022-48711 9.8 CRITICAL tipc: improve size validations for received domain records
CVE-2024-38620 8.8 HIGH Bluetooth: HCI: Remove HCI_AMP support
CVE-2021-47620 8.1 HIGH Bluetooth: refactor malicious adv data check
CVE-2022-48743 8.1 HIGH net: amd-xgbe: Fix skb data length underflow
CVE-2022-48720 7.8 HIGH net: macsec: Fix offload support for NETDEV_UNREGISTER event
CVE-2022-48716 7.8 HIGH ASoC: codecs: wcd938x: fix incorrect used of portid
CVE-2022-48771 7.8 HIGH drm/vmwgfx: Fix stale file descriptors on failed usercopy
CVE-2022-48751 7.8 HIGH net/smc: Transitional solution for clcsock race issue
CVE-2022-48742 7.8 HIGH rtnetlink: make sure to refresh master_dev/m_ops in __rtnl_newlink()
CVE-2022-48754 7.8 HIGH phylib: fix potential use-after-free
CVE-2022-48733 7.8 HIGH btrfs: fix use-after-free after failure to create a snapshot
CVE-2022-48721 7.8 HIGH net/smc: Forward wakeup to smc socket waitqueue after fallback
CVE-2022-48762 7.8 HIGH arm64: extable: fix load_unaligned_zeropad() reg indices
CVE-2022-48726 7.8 HIGH RDMA/ucma: Protect mc during concurrent multicast leaves
CVE-2022-48729 7.8 HIGH IB/hfi1: Fix panic with larger ipoib send_queue_size
CVE-2022-48735 7.8 HIGH ALSA: hda: Fix UAF of leds class devs at unbinding
CVE-2022-48759 7.8 HIGH rpmsg: char: Fix race between the release of rpmsg_ctrldev and cdev
CVE-2022-48744 7.5 HIGH net/mlx5e: Avoid field-overflowing memcpy()
CVE-2022-48727 7.3 HIGH KVM: arm64: Avoid consuming a stale esr value when SError occur
CVE-2022-48739 7.1 HIGH ASoC: hdmi-codec: Fix OOB memory accesses

Showing top 20 of 67 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2022-48728

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