CVE-2024-41076: NFSv4: Fix memory leak in nfs4_set_security_label
First published: Mon Jul 29 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: NFSv4: Fix memory leak in nfs4_set_security_label We leak nfs_fattr and nfs4_label every time we set a security xattr.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <6.1.101 | 6.1.101 |
| redhat/kernel | <6.6.42 | 6.6.42 |
| redhat/kernel | <6.9.11 | 6.9.11 |
| redhat/kernel | <6.10 | 6.10 |
| Linux kernel | <6.1.101 | |
| Linux kernel | >=6.2<6.6.42 | |
| Linux kernel | >=6.7<6.9.11 | |
| Linux Kernel | <6.1.101 | |
| Linux Kernel | >=6.2<6.6.42 | |
| Linux Kernel | >=6.7<6.9.11 | |
| IBM Security Verify Governance - Identity Manager | <=ISVG 10.0.2 | |
| IBM Security Verify Governance, Identity Manager Software Stack | <=ISVG 10.0.2 | |
| IBM Security Verify Governance, Identity Manager Virtual Appliance | <=ISVG 10.0.2 | |
| IBM Security Verify Governance Identity Manager Container | <=ISVG 10.0.2 | |
| debian/linux | <=5.10.223-1<=5.10.234-1 | 6.1.129-1 6.1.128-1 6.12.21-1 6.12.22-1 |
| debian/linux-6.1 | 6.1.129-1~deb11u1 |
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Reference Links
- https://lore.kernel.org/linux-cve-announce/2024072910-CVE-2024-41076-6124@gregkh/T
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2301641
- https://access.redhat.com/errata/RHSA-2024:5673
- https://access.redhat.com/errata/RHSA-2024:5672
- https://access.redhat.com/errata/RHSA-2024:5928
- https://access.redhat.com/errata/RHSA-2024:6206
- https://access.redhat.com/errata/RHSA-2024:7001
- https://access.redhat.com/errata/RHSA-2024:7000
- https://bugzilla.redhat.com/show_bug.cgi?id=2300453
- https://git.kernel.org/stable/c/899604a7c958771840941caff9ee3dd8193d984c
- https://git.kernel.org/stable/c/b98090699319e64f5de1e8db5bb75870f1eb1c6e
- https://git.kernel.org/stable/c/d130220ccc94d74d70da984a199477937e7bf03c
- https://git.kernel.org/stable/c/aad11473f8f4be3df86461081ce35ec5b145ba68
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-41076
- https://nvd.nist.gov/vuln/detail/CVE-2024-41076
- https://launchpad.net/bugs/cve/CVE-2024-41076
- https://security-tracker.debian.org/tracker/CVE-2024-41076
- https://ubuntu.com/security/CVE-2024-41076
- https://git.kernel.org/linus/aad11473f8f4be3df86461081ce35ec5b145ba68
- https://www.ibm.com/support/pages/node/7230443 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2024-41076?
CVE-2024-41076 has a high severity rating due to the potential for memory leaks in NFSv4 functionality.
How do I fix CVE-2024-41076?
To fix CVE-2024-41076, upgrade the Linux kernel to versions 6.1.101, 6.6.42, 6.9.11, 6.10, or applicable Debian kernels listed in the vulnerability report.
What impact does CVE-2024-41076 have on systems using the Linux kernel?
CVE-2024-41076 can lead to excessive memory usage over time due to memory leaks when setting security extended attributes in NFSv4.
Which Linux kernel versions are affected by CVE-2024-41076?
Versions prior to 6.1.101, between 6.2 and 6.6.42, and between 6.7 to 6.9.11 of the Linux kernel are affected by CVE-2024-41076.
Is there a workaround for CVE-2024-41076 if I cannot apply the patch immediately?
Currently, there are no known workarounds for CVE-2024-41076; it is recommended to apply the appropriate patches as soon as possible.
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