CVE-2022-50333

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

HIGH
7.1
CVSS Score
Published: September 15, 2025 at 02:49 PM UTC
Updated: August 5, 2026 at 09:24 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.1
Exploit prediction
EPSS 0.2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 4.9.3373.7 ≤ v < 4.14.3033.7 ≤ v < 4.19.2703.7 ≤ v < 4.9.3373.7 ≤ v < 5.10.1633.7 ≤ v < 5.15.863.7 ≤ v < 5.4.2293.7 ≤ v < 6.0.163.7 ≤ v < 6.1.23.7 ≤ v < 6.24.10 ≤ v < 4.14.3034.15 ≤ v < 4.19.2704.20 ≤ v < 5.4.2295.11 ≤ v < 5.15.865.16 ≤ v < 6.0.165.5 ≤ v < 5.10.1636.1 ≤ v < 6.1.23.7b40c2e665cd552eae5fbdbb878bc29a34357668e
Vendor states this is fixed in 0183c8f46ab5bcd0740f41c87f5141c6ca2bf1bb (fixed)
Vendor states this is fixed in 10b87da8fae79c7daf5eda6a9e4f1d31b85b4d92 (fixed)
Vendor states this is fixed in 25e70c6162f207828dd405b432d8f2a98dbf7082 (fixed)
Vendor states this is fixed in 3d340b684dcec5e34efc470227cd1c7d2df121ad (fixed)
Vendor states this is fixed in 50163a115831ef4e6402db5a7ef487d1989d7249 (fixed)
Vendor states this is fixed in 624843f1bac448150f6859999c72c4841c14a2e3 (fixed)
Vendor states this is fixed in 911999b193735cd378517b6cd5fe585ee345d49c (fixed)
Vendor states this is fixed in ab5cd3d62c2493eca3337e7d0178cc7bd819ca64 (fixed)
Vendor states this is fixed in f8d4d0bac603616e2fa4a3907e81ed13f8f3c380 (fixed)
Vendor states this is fixed in 3.7 (unaffected)
Vendor states this is fixed in 4.14.303 (unaffected)
Vendor states this is fixed in 4.19.270 (unaffected)
Vendor states this is fixed in 4.9.337 (unaffected)
Vendor states this is fixed in 5.10.163 (unaffected)
Vendor states this is fixed in 5.15.86 (unaffected)
Vendor states this is fixed in 5.4.229 (unaffected)
Vendor states this is fixed in 6.0.16 (unaffected)
Vendor states this is fixed in 6.1.2 (unaffected)
Vendor states this is fixed in 6.2 (unaffected)

References (9)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/0183c8f46ab5bcd0740f41c87f5141c6ca2bf1bb
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/10b87da8fae79c7daf5eda6a9e4f1d31b85b4d92
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/25e70c6162f207828dd405b432d8f2a98dbf7082
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/3d340b684dcec5e34efc470227cd1c7d2df121ad
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/50163a115831ef4e6402db5a7ef487d1989d7249
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/624843f1bac448150f6859999c72c4841c14a2e3
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/911999b193735cd378517b6cd5fe585ee345d49c
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/ab5cd3d62c2493eca3337e7d0178cc7bd819ca64

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-125

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