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CVE-2022-50873

vdpa/vp_vdpa: fix kfree a wrong pointer in vp_vdpa_remove

Description

In the Linux kernel, the following vulnerability has been resolved: vdpa/vp_vdpa: fix kfree a wrong pointer in vp_vdpa_remove In vp_vdpa_remove(), the code kfree(&vp_vdpa_mgtdev->mgtdev.id_table) uses a reference of pointer as the argument of kfree, which is the wrong pointer and then may hit crash like this: Unable to handle kernel paging request at virtual address 00ffff003363e30c Internal error: Oops: 96000004 [#1] SMP Call trace: rb_next+0x20/0x5c ext4_readdir+0x494/0x5c4 [ext4] iterate_dir+0x168/0x1b4 __se_sys_getdents64+0x68/0x170 __arm64_sys_getdents64+0x24/0x30 el0_svc_common.constprop.0+0x7c/0x1bc do_el0_svc+0x2c/0x94 el0_svc+0x20/0x30 el0_sync_handler+0xb0/0xb4 el0_sync+0x160/0x180 Code: 54000220 f9400441 b4000161 aa0103e0 (f9400821) SMP: stopping secondary CPUs Starting crashdump kernel...

Timeline

  1. ID reserved

    By Linux

  2. Published

  3. · 4 months later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

No CVSS score yet: neither the CNA, CISA nor NVD has scored this CVE. NVD status: Deferred.

EPSS (exploitation in 30 days)
0.20% · top 90% of all CVEs (11 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Not scored.

Affected products

  • Linux · Linux

    • affected ffbda8e9df10d1784d5427ec199e7d8308e3763f – < 8fe12680b2c731201519935013ec9219c93ec540
    • affected ffbda8e9df10d1784d5427ec199e7d8308e3763f – < 6ccc891f36d0c20ee220551caabdcd3886ec584b
    • affected ffbda8e9df10d1784d5427ec199e7d8308e3763f – < ed843d6ed7310a27cf7c8ee0a82a482eed0cb4a6
  • Linux · Linux

    • affected 5.19
    • unaffected < 5.19
    • unaffected 6.0.19 – ≤ 6.0.*
    • unaffected 6.1.5 – ≤ 6.1.*
    • unaffected 6.2 – ≤ *

References

References3

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .