CVE-2022-48773: xprtrdma: fix pointer derefs in error cases of rpcrdma_ep_create
Vulnerability summary
CVE-2022-48773 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 16.3% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 12 · Related 5Timeline
- 16-07-2024PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: xprtrdma: fix pointer derefs in error cases of rpcrdma_ep_create If there are failures then we must not leave the non-NULL pointers with the error value, otherwise `rpcrdma_ep_destroy` gets confused and tries free them, resulting in an Oops.
CVSS metrics
4 scores · 4 sources · 1 version- OSV · Red hatEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.25%
Chance of exploitation in the next 30 days
Percentile
16%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.25% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu69 products
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
- linux-aws-5.13All versions (No fix recorded)
- linux-aws-5.19All versions (No fix recorded)
Redhat15 products
- kernel-rt< 0:4.18.0-305.145.1.rt7.221.el8_4
- kernel-rt-core< 0:4.18.0-305.145.1.rt7.221.el8_4
- kernel-rt-debug< 0:4.18.0-305.145.1.rt7.221.el8_4
- kernel-rt-debug-core< 0:4.18.0-305.145.1.rt7.221.el8_4
- kernel-rt-debug-debuginfo< 0:4.18.0-305.145.1.rt7.221.el8_4
Linux2 products
- linux≥ 85cd8e2b78eea7374927750ffec60bf047f8f90b, < 1e7433fb95ccc01629a5edaa4ced0cd8c98d0ae0 | ≥ 85cd8e2b78eea7374927750ffec60bf047f8f90b, < 9921c866dc369577c3ebb9adf2383b01b58c18de | ≥ 85cd8e2b78eea7374927750ffec60bf047f8f90b, < 2526d4d8b209dc5ac1fbeb468149774888b2a141 | ≥ 85cd8e2b78eea7374927750ffec60bf047f8f90b, < a9c10b5b3b67b3750a10c8b089b2e05f5e176e33 | 5.7
- linux_kernel< 5.10.102 | ≥ 5.11, < 5.15.25 | ≥ 5.16, < 5.16.11
Debian1 product
- linux< 5.16.11-1
4 vendors · 87 products