CVE-2022-49927

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Source
https://cve.org/CVERecord?id=CVE-2022-49927
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49927.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2022-49927
Downstream
Related
Published
2025-05-01T14:11:05.404Z
Modified
2026-04-03T13:14:38.565631576Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
nfs4: Fix kmemleak when allocate slot failed
Details

In the Linux kernel, the following vulnerability has been resolved:

nfs4: Fix kmemleak when allocate slot failed

If one of the slot allocate failed, should cleanup all the other allocated slots, otherwise, the allocated slots will leak:

unreferenced object 0xffff8881115aa100 (size 64): comm ""mount.nfs"", pid 679, jiffies 4294744957 (age 115.037s) hex dump (first 32 bytes): 00 cc 19 73 81 88 ff ff 00 a0 5a 11 81 88 ff ff ...s......Z..... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000007a4c434a>] nfs4findorcreateslot+0x8e/0x130 [<000000005472a39c>] nfs4reallocslottable+0x23f/0x270 [<00000000cd8ca0eb>] nfs40initclient+0x4a/0x90 [<00000000128486db>] nfs4initclient+0xce/0x270 [<000000008d2cacad>] nfs4setclient+0x1a2/0x2b0 [<000000000e593b52>] nfs4createserver+0x300/0x5f0 [<00000000e4425dd2>] nfs4trygettree+0x65/0x110 [<00000000d3a6176f>] vfsgettree+0x41/0xf0 [<0000000016b5ad4c>] path_mount+0x9b3/0xdd0 [<00000000494cae71>] __x64sysmount+0x190/0x1d0 [<000000005d56bdec>] dosyscall64+0x35/0x80 [<00000000687c9ae4>] entrySYSCALL64afterhwframe+0x46/0xb0

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49927.json",
    "cna_assigner": "Linux"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
abf79bb341bf52f75f295b850abdf5f78f584311
Fixed
84b5cb476903003ae9ca88f32b57ff0eaefa6d4c
Fixed
aae35a0c8a775fa4afa6a4e7dab3f936f1f89bbb
Fixed
86ce0e93cf6fb4d0c447323ac66577c642628b9d
Fixed
925cb538bd5851154602818dc80bf4b4d924c127
Fixed
45aea4fbf61e205649c29200726b9f45c1718a67
Fixed
24641993a7dce6b1628645f4e1d97ca06c9f765d
Fixed
db333ae981fb8843c383aa7dbf62cc682597d401
Fixed
7e8436728e22181c3f12a5dbabd35ed3a8b8c593

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49927.json"