CVE-2022-49333 Vulnerability Analysis & Exploit Details

CVE-2022-49333
Vulnerability Scoring

Analysis In Progress
Analysis In Progress

Attack Complexity Details

  • Attack Complexity:
    Attack Complexity Analysis In Progress
  • Attack Vector:
    Attack Vector Under Analysis
  • Privileges Required: None
    No authentication is required for exploitation.
  • Scope:
    Impact is confined to the initially vulnerable component.
  • User Interaction: None
    No user interaction is necessary for exploitation.

CVE-2022-49333 Details

Status: Received on 26 Feb 2025, 07:01 UTC

Published on: 26 Feb 2025, 07:01 UTC

CVSS Release:

CVE-2022-49333 Vulnerability Summary

CVE-2022-49333: In the Linux kernel, the following vulnerability has been resolved: net/mlx5: E-Switch, pair only capable devices OFFLOADS paring using devcom is possible only on devices that support LAG. Filter based on lag capabilities. This fixes an issue where mlx5_get_next_phys_dev() was called without holding the interface lock. This issue was found when commit bc4c2f2e0179 ("net/mlx5: Lag, filter non compatible devices") added an assert that verifies the interface lock is held. WARNING: CPU: 9 PID: 1706 at drivers/net/ethernet/mellanox/mlx5/core/dev.c:642 mlx5_get_next_phys_dev+0xd2/0x100 [mlx5_core] Modules linked in: mlx5_vdpa vringh vhost_iotlb vdpa mlx5_ib mlx5_core xt_conntrack xt_MASQUERADE nf_conntrack_netlink nfnetlink xt_addrtype iptable_nat nf_nat br_netfilter rpcrdma rdma_ucm ib_iser libiscsi scsi_transport_iscsi rdma_cm iw_cm ib_umad ib_ipoib ib_cm ib_uverbs ib_core overlay fuse [last unloaded: mlx5_core] CPU: 9 PID: 1706 Comm: devlink Not tainted 5.18.0-rc7+ #11 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014 RIP: 0010:mlx5_get_next_phys_dev+0xd2/0x100 [mlx5_core] Code: 02 00 75 48 48 8b 85 80 04 00 00 5d c3 31 c0 5d c3 be ff ff ff ff 48 c7 c7 08 41 5b a0 e8 36 87 28 e3 85 c0 0f 85 6f ff ff ff <0f> 0b e9 68 ff ff ff 48 c7 c7 0c 91 cc 84 e8 cb 36 6f e1 e9 4d ff RSP: 0018:ffff88811bf47458 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff88811b398000 RCX: 0000000000000001 RDX: 0000000080000000 RSI: ffffffffa05b4108 RDI: ffff88812daaaa78 RBP: ffff88812d050380 R08: 0000000000000001 R09: ffff88811d6b3437 R10: 0000000000000001 R11: 00000000fddd3581 R12: ffff88815238c000 R13: ffff88812d050380 R14: ffff8881018aa7e0 R15: ffff88811d6b3428 FS: 00007fc82e18ae80(0000) GS:ffff88842e080000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9630d1b421 CR3: 0000000149802004 CR4: 0000000000370ea0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> mlx5_esw_offloads_devcom_event+0x99/0x3b0 [mlx5_core] mlx5_devcom_send_event+0x167/0x1d0 [mlx5_core] esw_offloads_enable+0x1153/0x1500 [mlx5_core] ? mlx5_esw_offloads_controller_valid+0x170/0x170 [mlx5_core] ? wait_for_completion_io_timeout+0x20/0x20 ? mlx5_rescan_drivers_locked+0x318/0x810 [mlx5_core] mlx5_eswitch_enable_locked+0x586/0xc50 [mlx5_core] ? mlx5_eswitch_disable_pf_vf_vports+0x1d0/0x1d0 [mlx5_core] ? mlx5_esw_try_lock+0x1b/0xb0 [mlx5_core] ? mlx5_eswitch_enable+0x270/0x270 [mlx5_core] ? __debugfs_create_file+0x260/0x3e0 mlx5_devlink_eswitch_mode_set+0x27e/0x870 [mlx5_core] ? mutex_lock_io_nested+0x12c0/0x12c0 ? esw_offloads_disable+0x250/0x250 [mlx5_core] ? devlink_nl_cmd_trap_get_dumpit+0x470/0x470 ? rcu_read_lock_sched_held+0x3f/0x70 devlink_nl_cmd_eswitch_set_doit+0x217/0x620

Assessing the Risk of CVE-2022-49333

Access Complexity Graph

The exploitability of CVE-2022-49333 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).

Exploitability Analysis for CVE-2022-49333

No exploitability data is available for CVE-2022-49333.

Understanding AC and PR

A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.

Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.

Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.

CVSS Score Breakdown Chart

Above is the CVSS Sub-score Breakdown for CVE-2022-49333, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.

CIA Impact Analysis

Below is the Impact Analysis for CVE-2022-49333, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: None
    CVE-2022-49333 does not compromise confidentiality.
  • Integrity: None
    CVE-2022-49333 does not impact data integrity.
  • Availability: None
    CVE-2022-49333 does not affect system availability.

Exploit Prediction Scoring System (EPSS)

The EPSS score estimates the probability that this vulnerability will be exploited in the near future.

EPSS Score: 0.045% (probability of exploit)

EPSS Percentile: 18.4% (lower percentile = lower relative risk)
This vulnerability is less risky than approximately 81.6% of others.

CVE-2022-49333 References

External References

CWE Common Weakness Enumeration

Unknown

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