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CVE-2024-57891— sched_ext: Fix invalid irq restore in scx_ops_bypass()

EPSS 0.00% · P0

Affected Version Matrix 6

VendorProductVersion RangeStatus
LinuxLinux0e7ffff1b8117b05635c87d3c9099f6aa9c9b689< 786362ce60d79967875f43e0ba55ad7a5376c133affected
0e7ffff1b8117b05635c87d3c9099f6aa9c9b689< 18b2093f4598d8ee67a8153badc93f0fa7686b8aaffected
6.12affected
< 6.12unaffected
6.12.9≤ 6.12.*unaffected
6.13≤ *unaffected
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I. Basic Information for CVE-2024-57891

Vulnerability Information
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Vulnerability Title
sched_ext: Fix invalid irq restore in scx_ops_bypass()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: sched_ext: Fix invalid irq restore in scx_ops_bypass() While adding outer irqsave/restore locking, 0e7ffff1b811 ("scx: Fix raciness in scx_ops_bypass()") forgot to convert an inner rq_unlock_irqrestore() to rq_unlock() which could re-enable IRQ prematurely leading to the following warning: raw_local_irq_restore() called with IRQs enabled WARNING: CPU: 1 PID: 96 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x30/0x40 ... Sched_ext: create_dsq (enabling) pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : warn_bogus_irq_restore+0x30/0x40 lr : warn_bogus_irq_restore+0x30/0x40 ... Call trace: warn_bogus_irq_restore+0x30/0x40 (P) warn_bogus_irq_restore+0x30/0x40 (L) scx_ops_bypass+0x224/0x3b8 scx_ops_enable.isra.0+0x2c8/0xaa8 bpf_scx_reg+0x18/0x30 ... irq event stamp: 33739 hardirqs last enabled at (33739): [<ffff8000800b699c>] scx_ops_bypass+0x174/0x3b8 hardirqs last disabled at (33738): [<ffff800080d48ad4>] _raw_spin_lock_irqsave+0xb4/0xd8 Drop the stray _irqrestore().
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，该漏洞源于存在在scx_ops_bypass函数中无效的irq恢复问题。
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

VendorProductAffected VersionsCPESubscribe
LinuxLinux 0e7ffff1b8117b05635c87d3c9099f6aa9c9b689 ~ 786362ce60d79967875f43e0ba55ad7a5376c133 -
LinuxLinux 6.12 -

II. Public POCs for CVE-2024-57891

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III. Intelligence Information for CVE-2024-57891

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Same Patch Batch · Linux · 2025-01-15 · 32 CVEs total

CVE-2024-57899wifi: mac80211: fix mbss changed flags corruption on 32 bit systems
CVE-2024-57857RDMA/siw: Remove direct link to net_device
CVE-2024-57844drm/xe: Fix fault on fd close after unbind
CVE-2024-57841net: fix memory leak in tcp_conn_request()
CVE-2024-57802netrom: check buffer length before accessing it
CVE-2024-57801net/mlx5e: Skip restore TC rules for vport rep without loaded flag
CVE-2024-57795RDMA/rxe: Remove the direct link to net_device
CVE-2024-54031netfilter: nft_set_hash: unaligned atomic read on struct nft_set_ext
CVE-2024-53681nvmet: Don't overflow subsysnqn
CVE-2024-39282net: wwan: t7xx: Fix FSM command timeout issue
CVE-2024-36476RDMA/rtrs: Ensure 'ib_sge list' is accessible
CVE-2025-21629net: reenable NETIF_F_IPV6_CSUM offload for BIG TCP packets
CVE-2024-57903net: restrict SO_REUSEPORT to inet sockets
CVE-2024-57901af_packet: fix vlan_get_protocol_dgram() vs MSG_PEEK
CVE-2024-57902af_packet: fix vlan_get_tci() vs MSG_PEEK
CVE-2024-57900ila: serialize calls to nf_register_net_hooks()
CVE-2024-57882mptcp: fix TCP options overflow.
CVE-2024-57898wifi: cfg80211: clear link ID from bitmap during link delete after clean up
CVE-2024-57897drm/amdkfd: Correct the migration DMA map direction
CVE-2024-57896btrfs: flush delalloc workers queue before stopping cleaner kthread during unmount

Showing top 20 of 32 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

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