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CVE-2022-49388

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CVE-2022-49388

Published: Feb 26, 2025

Modified: May 11, 2026

PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: ubi: ubi_create_volume: Fix use-after-free when volume creation failed There is an use-after-free problem for 'eba_tbl' in ubi_create_volume()'s error handling path: ubi_eba_replace_table(vol, eba_tbl) vol->eba_tbl = tbl out_mapping: ubi_eba_destroy_table(eba_tbl) // Free 'eba_tbl' out_unlock: put_device(&vol->dev) vol_release kfree(tbl->entries) // UAF Fix it by removing redundant 'eba_tbl' releasing. Fetch a reproducer in [Link].

VendorProductVersions

Linux

Linux

affected
493cfaeaa0c9bc0c79ce5751193d49fdac9aaaec - < 25ff1e3a1351c0d936dd1ac2f9e58231ea1510c9
affected
493cfaeaa0c9bc0c79ce5751193d49fdac9aaaec - < abb67043060f2bf4c03d7c3debb9ae980e2b6db3
affected
493cfaeaa0c9bc0c79ce5751193d49fdac9aaaec - < 8302620aeb940f386817321d272b12411ae7d39f
affected
493cfaeaa0c9bc0c79ce5751193d49fdac9aaaec - < 6d8d3f68cbecfd31925796f0fb668eb21ab06734
affected
493cfaeaa0c9bc0c79ce5751193d49fdac9aaaec - < 5ff2514e4fb55dcf3d88294686040ca73ea0c1a2

+3 more versions

Linux

Linux

affected
4.12
unaffected
0 - < 4.12
unaffected
4.14.283 - <= 4.14.*
unaffected
4.19.247 - <= 4.19.*
unaffected
5.4.198 - <= 5.4.*

+5 more versions

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