CVE-2022-50333

fs: jfs: fix shift-out-of-bounds in dbDiscardAG

State: Published
Severity: 7.8 High
Published: Sep 15, 2025
Updated: Aug 5, 2026
Reserved: Sep 15, 2025

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.

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	Linux

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	b40c2e665cd552eae5fbdbb878bc29a34357668e to before f8d4d0bac603616e2fa4a3907e81ed13f8f3c380Affected b40c2e665cd552eae5fbdbb878bc29a34357668e to before 0183c8f46ab5bcd0740f41c87f5141c6ca2bf1bbAffected b40c2e665cd552eae5fbdbb878bc29a34357668e to before 624843f1bac448150f6859999c72c4841c14a2e3Affected b40c2e665cd552eae5fbdbb878bc29a34357668e to before 50163a115831ef4e6402db5a7ef487d1989d7249Affected b40c2e665cd552eae5fbdbb878bc29a34357668e to before 911999b193735cd378517b6cd5fe585ee345d49cAffected b40c2e665cd552eae5fbdbb878bc29a34357668e to before 10b87da8fae79c7daf5eda6a9e4f1d31b85b4d92Affected b40c2e665cd552eae5fbdbb878bc29a34357668e to before ab5cd3d62c2493eca3337e7d0178cc7bd819ca64Affected b40c2e665cd552eae5fbdbb878bc29a34357668e to before 3d340b684dcec5e34efc470227cd1c7d2df121adAffected b40c2e665cd552eae5fbdbb878bc29a34357668e to before 25e70c6162f207828dd405b432d8f2a98dbf7082Affected
LinuxLinux	3.7Affected before 3.7Not affected 4.9.337 through 4.9.Not affected 4.14.303 through 4.14.Not affected 4.19.270 through 4.19.Not affected 5.4.229 through 5.4.Not affected 5.10.163 through 5.10.Not affected 5.15.86 through 5.15.Not affected 6.0.16 through 6.0.Not affected 6.1.2 through 6.1.Not affected 6.2 and laterNot affected

Product

Versions

LinuxLinux

b40c2e665cd552eae5fbdbb878bc29a34357668e to before f8d4d0bac603616e2fa4a3907e81ed13f8f3c380Affected
b40c2e665cd552eae5fbdbb878bc29a34357668e to before 0183c8f46ab5bcd0740f41c87f5141c6ca2bf1bbAffected
b40c2e665cd552eae5fbdbb878bc29a34357668e to before 624843f1bac448150f6859999c72c4841c14a2e3Affected
b40c2e665cd552eae5fbdbb878bc29a34357668e to before 50163a115831ef4e6402db5a7ef487d1989d7249Affected
b40c2e665cd552eae5fbdbb878bc29a34357668e to before 911999b193735cd378517b6cd5fe585ee345d49cAffected
b40c2e665cd552eae5fbdbb878bc29a34357668e to before 10b87da8fae79c7daf5eda6a9e4f1d31b85b4d92Affected
b40c2e665cd552eae5fbdbb878bc29a34357668e to before ab5cd3d62c2493eca3337e7d0178cc7bd819ca64Affected
b40c2e665cd552eae5fbdbb878bc29a34357668e to before 3d340b684dcec5e34efc470227cd1c7d2df121adAffected
b40c2e665cd552eae5fbdbb878bc29a34357668e to before 25e70c6162f207828dd405b432d8f2a98dbf7082Affected

LinuxLinux

3.7Affected
before 3.7Not affected
4.9.337 through 4.9.*Not affected
4.14.303 through 4.14.*Not affected
4.19.270 through 4.19.*Not affected
5.4.229 through 5.4.*Not affected
5.10.163 through 5.10.*Not affected
5.15.86 through 5.15.*Not affected
6.0.16 through 6.0.*Not affected
6.1.2 through 6.1.*Not affected
6.2 and laterNot affected

References

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