7.8

CVE-2022-50333: fs: jfs: fix shift-out-of-bounds in dbDiscardAG

Modified
AliasesUBUNTU-CVE-2022-50333DEBIAN-CVE-2022-50333
Published 15-09-2025Last modified 05-08-2026

Vulnerability summary

CVE-2022-50333 is a high (CVSS 7.8) Out-of-bounds Read vulnerability in linux. EPSS estimates a 0.17% chance of exploitation in the next 30 days, higher than 6.8% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.17%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 4 · Related 4
SUSE-SU-2025:03615-1SUSE-SU-2025:03628-1SUSE-SU-2025:3716-1SUSE-SU-2025:3761-1

Timeline

  1. 15-09-2025
    PublishedVulnerability first disclosed.
  2. 05-08-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: fs: jfs: fix shift-out-of-bounds in dbDiscardAG This should be applied to most URSAN bugs found recently by syzbot, by guarding the dbMount. As syzbot feeding rubbish into the bmap descriptor.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.17%

Chance of exploitation in the next 30 days

Percentile

7%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.17% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu120 products
  • linuxAll versions (No fix recorded) | < 4.15.0-208.220 | < 5.4.0-144.161 | < 5.15.0-69.76
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 4.15.0-1153.166 | < 5.4.0-1097.105 | < 5.15.0-1033.37
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ b40c2e665cd552eae5fbdbb878bc29a34357668e, < f8d4d0bac603616e2fa4a3907e81ed13f8f3c380 | ≥ b40c2e665cd552eae5fbdbb878bc29a34357668e, < 0183c8f46ab5bcd0740f41c87f5141c6ca2bf1bb | ≥ b40c2e665cd552eae5fbdbb878bc29a34357668e, < 624843f1bac448150f6859999c72c4841c14a2e3 | ≥ b40c2e665cd552eae5fbdbb878bc29a34357668e, < 50163a115831ef4e6402db5a7ef487d1989d7249 | ≥ b40c2e665cd552eae5fbdbb878bc29a34357668e, < 911999b193735cd378517b6cd5fe585ee345d49c | ≥ b40c2e665cd552eae5fbdbb878bc29a34357668e, < 10b87da8fae79c7daf5eda6a9e4f1d31b85b4d92 | ≥ b40c2e665cd552eae5fbdbb878bc29a34357668e, < ab5cd3d62c2493eca3337e7d0178cc7bd819ca64 | ≥ b40c2e665cd552eae5fbdbb878bc29a34357668e, < 3d340b684dcec5e34efc470227cd1c7d2df121ad | ≥ b40c2e665cd552eae5fbdbb878bc29a34357668e, < 25e70c6162f207828dd405b432d8f2a98dbf7082 | 3.7
  • linux_kernel< 4.9.337 | ≥ 4.10, < 4.14.303 | ≥ 4.15, < 4.19.270 | ≥ 4.20, < 5.4.229 | ≥ 5.5, < 5.10.163 | ≥ 5.11, < 5.15.86 | ≥ 5.16, < 6.0.16 | ≥ 6.1, < 6.1.2
Debian1 product
  • linux< 6.1.4-1

3 vendors · 123 products

References

13 links
Show all 13 references