# CVE-2022-50013: linux: In the Linux kernel, the following vulnerability has been resolved:  f2fs: fix to avoid use f2fs_bug_on() in f2fs_new...

CVE-2022-50013 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-50013, released June 18, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2022-50013
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0025
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 18, 2025

## Description

In the Linux kernel, the following vulnerability has been resolved:  f2fs: fix to avoid use f2fs_bug_on() in f2fs_new_node_page()  As Dipanjan Das <mail.dipanjan.das@gmail.com> reported, syzkaller found a f2fs bug as below:  RIP: 0010:f2fs_new_node_page+0x19ac/0x1fc0 fs/f2fs/node.c:1295 Call Trace:  write_all_xattrs fs/f2fs/xattr.c:487 [inline]  __f2fs_setxattr+0xe76/0x2e10 fs/f2fs/xattr.c:743  f2fs_setxattr+0x233/0xab0 fs/f2fs/xattr.c:790  f2fs_xattr_generic_set+0x133/0x170 fs/f2fs/xattr.c:86  __vfs_setxattr+0x115/0x180 fs/xattr.c:182  __vfs_setxattr_noperm+0x125/0x5f0 fs/xattr.c:216  __vfs_setxattr_locked+0x1cf/0x260 fs/xattr.c:277  vfs_setxattr+0x13f/0x330 fs/xattr.c:303  setxattr+0x146/0x160 fs/xattr.c:611  path_setxattr+0x1a7/0x1d0 fs/xattr.c:630  __do_sys_lsetxattr fs/xattr.c:653 [inline]  __se_sys_lsetxattr fs/xattr.c:649 [inline]  __x64_sys_lsetxattr+0xbd/0x150 fs/xattr.c:649  do_syscall_x64 arch/x86/entry/common.c:50 [inline]  do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80  entry_SYSCALL_64_after_hwframe+0x46/0xb0  NAT entry and nat bitmap can be inconsistent, e.g. one nid is free in nat bitmap, and blkaddr in its NAT entry is not NULL_ADDR, it may trigger BUG_ON() in f2fs_new_node_page(), fix it.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 6.0.2-1 | [DEBIAN-CVE-2022-50013](https://patchblox.com/security/data/fix/linux/debian-cve-2022-50013.md) | Jun 18, 2025 |
| Linux | linux Debian 13.5 (trixie) | 6.0.2-1 | [DEBIAN-CVE-2022-50013](https://patchblox.com/security/data/fix/linux/debian-cve-2022-50013.md) | Jun 18, 2025 |
| Linux | linux Debian 14 | 6.0.2-1 | [DEBIAN-CVE-2022-50013](https://patchblox.com/security/data/fix/linux/debian-cve-2022-50013.md) | Jun 18, 2025 |

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Data as of 2026-11-09T07:25:28Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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