CVE-2024-26758— md: Don't ignore suspended array in md_check_recovery()
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I. Basic Information for CVE-2024-26758
Vulnerability Information
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Vulnerability Title
md: Don't ignore suspended array in md_check_recovery()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: md: Don't ignore suspended array in md_check_recovery() mddev_suspend() never stop sync_thread, hence it doesn't make sense to ignore suspended array in md_check_recovery(), which might cause sync_thread can't be unregistered. After commit f52f5c71f3d4 ("md: fix stopping sync thread"), following hang can be triggered by test shell/integrity-caching.sh: 1) suspend the array: raid_postsuspend mddev_suspend 2) stop the array: raid_dtr md_stop __md_stop_writes stop_sync_thread set_bit(MD_RECOVERY_INTR, &mddev->recovery); md_wakeup_thread_directly(mddev->sync_thread); wait_event(..., !test_bit(MD_RECOVERY_RUNNING, &mddev->recovery)) 3) sync thread done: md_do_sync set_bit(MD_RECOVERY_DONE, &mddev->recovery); md_wakeup_thread(mddev->thread); 4) daemon thread can't unregister sync thread: md_check_recovery if (mddev->suspended) return; -> return directly md_read_sync_thread clear_bit(MD_RECOVERY_RUNNING, &mddev->recovery); -> MD_RECOVERY_RUNNING can't be cleared, hence step 2 hang; This problem is not just related to dm-raid, fix it by ignoring suspended array in md_check_recovery(). And follow up patches will improve dm-raid better to frozen sync thread during suspend.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
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，该漏洞源于挂起数组可能会导致无法取消注册。
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
II. Public POCs for CVE-2024-26758
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Same Patch Batch · Linux · 2024-04-03 · 94 CVEs total
| CVE-2024-26743 | RDMA/qedr: Fix qedr_create_user_qp error flow | |
| CVE-2024-26740 | net/sched: act_mirred: use the backlog for mirred ingress | |
| CVE-2024-26738 | powerpc/pseries/iommu: DLPAR add doesn't completely initialize pci_controller | |
| CVE-2024-26734 | devlink: fix possible use-after-free and memory leaks in devlink_init() | |
| CVE-2024-26733 | arp: Prevent overflow in arp_req_get(). | |
| CVE-2024-26732 | net: implement lockless setsockopt(SO_PEEK_OFF) | |
| CVE-2024-26731 | bpf, sockmap: Fix NULL pointer dereference in sk_psock_verdict_data_ready() | |
| CVE-2024-26730 | hwmon: (nct6775) Fix access to temperature configuration registers | |
| CVE-2024-26735 | ipv6: sr: fix possible use-after-free and null-ptr-deref | |
| CVE-2024-26742 | scsi: smartpqi: Fix disable_managed_interrupts | |
| CVE-2024-26741 | dccp/tcp: Unhash sk from ehash for tb2 alloc failure after check_estalblished(). | |
| CVE-2024-26744 | RDMA/srpt: Support specifying the srpt_service_guid parameter | |
| CVE-2024-26747 | usb: roles: fix NULL pointer issue when put module's reference | |
| CVE-2024-26748 | usb: cdns3: fix memory double free when handle zero packet | |
| CVE-2024-26749 | usb: cdns3: fixed memory use after free at cdns3_gadget_ep_disable() | |
| CVE-2024-26751 | ARM: ep93xx: Add terminator to gpiod_lookup_table | |
| CVE-2024-26752 | l2tp: pass correct message length to ip6_append_data | |
| CVE-2024-26753 | crypto: virtio/akcipher - Fix stack overflow on memcpy | |
| CVE-2024-26754 | gtp: fix use-after-free and null-ptr-deref in gtp_genl_dump_pdp() | |
| CVE-2024-26755 | md: Don't suspend the array for interrupted reshape |
Showing top 20 of 94 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2026-43500
rxrpc: Also unshare DATA/RESPONSE packets when paged frags a - CVE-2026-43475
scsi: storvsc: Fix scheduling while atomic on PREEMPT_RT - CVE-2026-43474
fs: init flags_valid before calling vfs_fileattr_get - CVE-2026-43473
scsi: mpi3mr: Add NULL checks when resetting request and rep - CVE-2026-43472
unshare: fix unshare_fs() handling
Same vendor: Linux
- CVE-2026-43500
rxrpc: Also unshare DATA/RESPONSE packets when paged frags a - CVE-2026-43475
scsi: storvsc: Fix scheduling while atomic on PREEMPT_RT - CVE-2026-43474
fs: init flags_valid before calling vfs_fileattr_get - CVE-2026-43473
scsi: mpi3mr: Add NULL checks when resetting request and rep - CVE-2026-43472
unshare: fix unshare_fs() handling
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