CVE-2026-98697
Linux: USB: serial: fix dynamic id driver deregistration race
Linux LinuxOperating systemsCVSS
NoneNot scoredExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.17%Chance of exploitation activity in the next 30 days, higher than 5% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in29172161236154f362e35694864cacbdeb07d060Also 4d6da6867b4ac6468d634a0dd3c35dfc0dc8af81, 380f57cd58e26e0f3687451196ec446c473c52d9 and 1 moreCVE List
What fixes it
- 29172161236154f362e35694864cacbdeb07d060LinuxCVE List
- 4d6da6867b4ac6468d634a0dd3c35dfc0dc8af81LinuxCVE List
- 380f57cd58e26e0f3687451196ec446c473c52d9LinuxCVE List
- 63594e8ffe097bc0b7639936f33799a7653dded2LinuxCVE List
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
Description
In the Linux kernel, the following vulnerability has been resolved:
USB: serial: fix dynamic id driver deregistration race
Only free the dynamic ids after having deregistered the driver and removed the "new_id" attribute to avoid leaking any id added by a racing write to the attribute.
Text from CVE List
Affected versions 12
- Linuxaffected: 93bacefc4cc0b53e1cb6a336d43847154fdf6886 before 29172161236154f362e35694864cacbdeb07d060CVE List
- Linuxaffected: 93bacefc4cc0b53e1cb6a336d43847154fdf6886 before ebd8fcaaacb66c15ae7e19d14619abe3762e0701CVE List
- Linuxaffected: 93bacefc4cc0b53e1cb6a336d43847154fdf6886 before 4d6da6867b4ac6468d634a0dd3c35dfc0dc8af81CVE List
- Linuxaffected: 93bacefc4cc0b53e1cb6a336d43847154fdf6886 before 380f57cd58e26e0f3687451196ec446c473c52d9CVE List
- Linuxaffected: 93bacefc4cc0b53e1cb6a336d43847154fdf6886 before 63594e8ffe097bc0b7639936f33799a7653dded2CVE List
- Linuxaffected: 2.6.21CVE List
- Linuxunaffected: all versions before 2.6.21CVE List
- Linuxunaffected: 6.6.160 through 6.6.*CVE List
- Linuxunaffected: 6.12.113 through 6.12.*CVE List
- Linuxunaffected: 6.18.56 through 6.18.*CVE List
- Linuxunaffected: 7.2.10 through 7.2.*CVE List
- Linuxunaffected: 7.3CVE List
References 5
- git.kernel.org/stable/c/29172161236154f362e35694864cacbdeb07d060Referencevia CVE List
- git.kernel.org/stable/c/ebd8fcaaacb66c15ae7e19d14619abe3762e0701Referencevia CVE List
- git.kernel.org/stable/c/4d6da6867b4ac6468d634a0dd3c35dfc0dc8af81Referencevia CVE List
- git.kernel.org/stable/c/380f57cd58e26e0f3687451196ec446c473c52d9Referencevia CVE List
- git.kernel.org/stable/c/63594e8ffe097bc0b7639936f33799a7653dded2Referencevia CVE List