CVE-2024-35959 Affecting kernel-uek-debug-core package, versions <0:5.15.0-301.163.5.2.el8uek
Threat Intelligence
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- published22 Oct 2024
- disclosed20 May 2024
Introduced: 20 May 2024
CVE-2024-35959 (opens in a new tab)How to fix?
Upgrade Oracle:8 kernel-uek-debug-core to version 0:5.15.0-301.163.5.2.el8uek or higher.
This issue was patched in ELSA-2024-12796.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-uek-debug-core package and not the kernel-uek-debug-core package as distributed by Oracle.
See How to fix? for Oracle:8 relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
net/mlx5e: Fix mlx5e_priv_init() cleanup flow
When mlx5e_priv_init() fails, the cleanup flow calls mlx5e_selq_cleanup which
calls mlx5e_selq_apply() that assures that the priv->state_lock is held using
lockdep_is_held().
Acquire the state_lock in mlx5e_selq_cleanup().
Kernel log:
WARNING: suspicious RCU usage 6.8.0-rc3_net_next_841a9b5 #1 Not tainted
drivers/net/ethernet/mellanox/mlx5/core/en/selq.c:124 suspicious rcu_dereference_protected() usage!
other info that might help us debug this:
rcu_scheduler_active = 2, debug_locks = 1 2 locks held by systemd-modules/293: #0: ffffffffa05067b0 (devices_rwsem){++++}-{3:3}, at: ib_register_client+0x109/0x1b0 [ib_core] #1: ffff8881096c65c0 (&device->client_data_rwsem){++++}-{3:3}, at: add_client_context+0x104/0x1c0 [ib_core]
stack backtrace: CPU: 4 PID: 293 Comm: systemd-modules Not tainted 6.8.0-rc3_net_next_841a9b5 #1 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014 Call Trace: <TASK> dump_stack_lvl+0x8a/0xa0 lockdep_rcu_suspicious+0x154/0x1a0 mlx5e_selq_apply+0x94/0xa0 [mlx5_core] mlx5e_selq_cleanup+0x3a/0x60 [mlx5_core] mlx5e_priv_init+0x2be/0x2f0 [mlx5_core] mlx5_rdma_setup_rn+0x7c/0x1a0 [mlx5_core] rdma_init_netdev+0x4e/0x80 [ib_core] ? mlx5_rdma_netdev_free+0x70/0x70 [mlx5_core] ipoib_intf_init+0x64/0x550 [ib_ipoib] ipoib_intf_alloc+0x4e/0xc0 [ib_ipoib] ipoib_add_one+0xb0/0x360 [ib_ipoib] add_client_context+0x112/0x1c0 [ib_core] ib_register_client+0x166/0x1b0 [ib_core] ? 0xffffffffa0573000 ipoib_init_module+0xeb/0x1a0 [ib_ipoib] do_one_initcall+0x61/0x250 do_init_module+0x8a/0x270 init_module_from_file+0x8b/0xd0 idempotent_init_module+0x17d/0x230 __x64_sys_finit_module+0x61/0xb0 do_syscall_64+0x71/0x140 entry_SYSCALL_64_after_hwframe+0x46/0x4e </TASK>
References
- https://linux.oracle.com/cve/CVE-2024-35959.html
- https://linux.oracle.com/errata/ELSA-2024-12796.html
- https://linux.oracle.com/errata/ELSA-2024-4211.html
- https://linux.oracle.com/errata/ELSA-2024-9315.html
- https://git.kernel.org/stable/c/6bd77865fda662913dcb5722a66a773840370aa7
- https://git.kernel.org/stable/c/ad26f26abd353113dea4e8d5ebadccdab9b61e76
- https://git.kernel.org/stable/c/ecb829459a841198e142f72fadab56424ae96519
- https://git.kernel.org/stable/c/f9ac93b6f3de34aa0bb983b9be4f69ca50fc70f3