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CVE-2024-38780— dma-buf/sw-sync: don't enable IRQ from sync_print_obj()

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dma-buf/sw-sync模块从sync_print_obj启用IRQ。

AI Predicted 5.5 Difficulty: Theoretical EPSS 0.19% · P8

Possible ATT&CK Techniques 1 AI

T1564.004 · NTFS File Attributes

Affected Version Matrix 20

VendorProduct Version RangeStatus
Linux Linux a6aa8fca4d792c72947e341d7842d2f700534335< 1ff116f68560a25656933d5a18e7619cb6773d8a affected
a6aa8fca4d792c72947e341d7842d2f700534335< 165b25e3ee9333f7b04f8db43895beacb51582ed affected
a6aa8fca4d792c72947e341d7842d2f700534335< ae6fc4e6a3322f6d1c8ff59150d8469487a73dd8 affected
a6aa8fca4d792c72947e341d7842d2f700534335< 9d75fab2c14a25553a1664586ed122c316bd1878 affected
a6aa8fca4d792c72947e341d7842d2f700534335< 242b30466879e6defa521573c27e12018276c33a affected
a6aa8fca4d792c72947e341d7842d2f700534335< a4ee78244445ab73af22bfc5a5fc543963b25aef affected
a6aa8fca4d792c72947e341d7842d2f700534335< 8a283cdfc8beeb14024387a925247b563d614e1e affected
a6aa8fca4d792c72947e341d7842d2f700534335< b794918961516f667b0c745aebdfebbb8a98df39 affected
… +12 more rows
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I. Basic Information for CVE-2024-38780

Vulnerability Information
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Vulnerability Title
dma-buf/sw-sync: don't enable IRQ from sync_print_obj()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: dma-buf/sw-sync: don't enable IRQ from sync_print_obj() Since commit a6aa8fca4d79 ("dma-buf/sw-sync: Reduce irqsave/irqrestore from known context") by error replaced spin_unlock_irqrestore() with spin_unlock_irq() for both sync_debugfs_show() and sync_print_obj() despite sync_print_obj() is called from sync_debugfs_show(), lockdep complains inconsistent lock state warning. Use plain spin_{lock,unlock}() for sync_print_obj(), for sync_debugfs_show() is already using spin_{lock,unlock}_irq().
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dma-buf/sw-sync模块从sync_print_obj启用IRQ。
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 a6aa8fca4d792c72947e341d7842d2f700534335 ~ 1ff116f68560a25656933d5a18e7619cb6773d8a -
Linux Linux 4.14 -

II. Public POCs for CVE-2024-38780

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III. Intelligence Information for CVE-2024-38780

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Patches & Fixes for CVE-2024-38780 (2)

Mailing List Discussions for CVE-2024-38780 (1)

Other References for CVE-2024-38780 (5)

Same Patch Batch · Linux · 2024-06-21 · 40 CVEs total

CVE-2024-36288 9.8 CRITICAL SUNRPC: Fix loop termination condition in gss_free_in_token_pages()
CVE-2024-38381 8.8 HIGH nfc: nci: Fix uninit-value in nci_rx_work
CVE-2024-38628 7.8 HIGH usb: gadget: u_audio: Fix race condition use of controls after free during gadget unbind.
CVE-2024-38626 7.8 HIGH fuse: clear FR_SENT when re-adding requests into pending list
CVE-2024-38623 7.8 HIGH fs/ntfs3: Use variable length array instead of fixed size
CVE-2024-38635 7.8 HIGH soundwire: cadence: fix invalid PDI offset
CVE-2024-38388 7.8 HIGH ALSA: hda/cs_dsp_ctl: Use private_free for control cleanup
CVE-2024-36286 7.8 HIGH netfilter: nfnetlink_queue: acquire rcu_read_lock() in instance_destroy_rcu()
CVE-2024-36477 7.8 HIGH tpm_tis_spi: Account for SPI header when allocating TPM SPI xfer buffer
CVE-2024-33619 7.8 HIGH efi: libstub: only free priv.runtime_map when allocated
CVE-2024-38659 7.3 HIGH enic: Validate length of nl attributes in enic_set_vf_port
CVE-2024-38662 bpf: Allow delete from sockmap/sockhash only if update is allowed
CVE-2024-38637 greybus: lights: check return of get_channel_from_mode
CVE-2024-39277 dma-mapping: benchmark: handle NUMA_NO_NODE correctly
CVE-2024-38636 f2fs: multidev: fix to recognize valid zero block address
CVE-2024-34777 dma-mapping: benchmark: fix node id validation
CVE-2024-38634 serial: max3100: Lock port->lock when calling uart_handle_cts_change()
CVE-2024-38633 serial: max3100: Update uart_driver_registered on driver removal
CVE-2024-38632 vfio/pci: fix potential memory leak in vfio_intx_enable()
CVE-2024-31076 genirq/cpuhotplug, x86/vector: Prevent vector leak during CPU offline

Showing top 20 of 40 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-38780

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