🛡️ CVE-2024-49875 on Ubuntu — linux

⚪ Unknown ✅ No Known Exploit OSV

N/A

CVSS Score

0 Low4 Medium7 High9 Critical10

Description

In the Linux kernel, the following vulnerability has been resolved: nfsd: map the EBADMSG to nfserr_io to avoid warning Ext4 will throw -EBADMSG through ext4_readdir when a checksum error occurs, resulting in the following WARNING. Fix it by mapping EBADMSG to nfserr_io. nfsd_buffered_readdir iterate_dir // -EBADMSG -74 ext4_readdir // .iterate_shared ext4_dx_readdir ext4_htree_fill_tree htree_dirblock_to_tree ext4_read_dirblock __ext4_read_dirblock ext4_dirblock_csum_verify warn_no_space_for_csum __warn_no_space_for_csum return ERR_PTR(-EFSBADCRC) // -EBADMSG -74 nfserrno // WARNING [ 161.115610] ------------[ cut here ]------------ [ 161.116465] nfsd: non-standard errno: -74 [ 161.117315] WARNING: CPU: 1 PID: 780 at fs/nfsd/nfsproc.c:878 nfserrno+0x9d/0xd0 [ 161.118596] Modules linked in: [ 161.119243] CPU: 1 PID: 780 Comm: nfsd Not tainted 5.10.0-00014-g79679361fd5d #138 [ 161.120684] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qe mu.org 04/01/2014 [ 161.123601] RIP: 0010:nfserrno+0x9d/0xd0 [ 161.124676] Code: 0f 87 da 30 dd 00 83 e3 01 b8 00 00 00 05 75 d7 44 89 ee 48 c7 c7 c0 57 24 98 89 44 24 04 c6 05 ce 2b 61 03 01 e8 99 20 d8 00 <0f> 0b 8b 44 24 04 eb b5 4c 89 e6 48 c7 c7 a0 6d a4 99 e8 cc 15 33 [ 161.127797] RSP: 0018:ffffc90000e2f9c0 EFLAGS: 00010286 [ 161.128794] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 161.130089] RDX: 1ffff1103ee16f6d RSI: 0000000000000008 RDI: fffff520001c5f2a [ 161.131379] RBP: 0000000000000022 R08: 0000000000000001 R09: ffff8881f70c1827 [ 161.132664] R10: ffffed103ee18304 R11: 0000000000000001 R12: 0000000000000021 [ 161.133949] R13: 00000000ffffffb6 R14: ffff8881317c0000 R15: ffffc90000e2fbd8 [ 161.135244] FS: 0000000000000000(0000) GS:ffff8881f7080000(0000) knlGS:0000000000000000 [ 161.136695] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 161.137761] CR2: 00007fcaad70b348 CR3: 0000000144256006 CR4: 0000000000770ee0 [ 161.139041] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 161.140291] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 161.141519] PKRU: 55555554 [ 161.142076] Call Trace: [ 161.142575] ? __warn+0x9b/0x140 [ 161.143229] ? nfserrno+0x9d/0xd0 [ 161.143872] ? report_bug+0x125/0x150 [ 161.144595] ? handle_bug+0x41/0x90 [ 161.145284] ? exc_invalid_op+0x14/0x70 [ 161.146009] ? asm_exc_invalid_op+0x12/0x20 [ 161.146816] ? nfserrno+0x9d/0xd0 [ 161.147487] nfsd_buffered_readdir+0x28b/0x2b0 [ 161.148333] ? nfsd4_encode_dirent_fattr+0x380/0x380 [ 161.149258] ? nfsd_buffered_filldir+0xf0/0xf0 [ 161.150093] ? wait_for_concurrent_writes+0x170/0x170 [ 161.151004] ? generic_file_llseek_size+0x48/0x160 [ 161.151895] nfsd_readdir+0x132/0x190 [ 161.152606] ? nfsd4_encode_dirent_fattr+0x380/0x380 [ 161.153516] ? nfsd_unlink+0x380/0x380 [ 161.154256] ? override_creds+0x45/0x60 [ 161.155006] nfsd4_encode_readdir+0x21a/0x3d0 [ 161.155850] ? nfsd4_encode_readlink+0x210/0x210 [ 161.156731] ? write_bytes_to_xdr_buf+0x97/0xe0 [ 161.157598] ? __write_bytes_to_xdr_buf+0xd0/0xd0 [ 161.158494] ? lock_downgrade+0x90/0x90 [ 161.159232] ? nfs4svc_decode_voidarg+0x10/0x10 [ 161.160092] nfsd4_encode_operation+0x15a/0x440 [ 161.160959] nfsd4_proc_compound+0x718/0xe90 [ 161.161818] nfsd_dispatch+0x18e/0x2c0 [ 161.162586] svc_process_common+0x786/0xc50 [ 161.163403] ? nfsd_svc+0x380/0x380 [ 161.164137] ? svc_printk+0x160/0x160 [ 161.164846] ? svc_xprt_do_enqueue.part.0+0x365/0x380 [ 161.165808] ? nfsd_svc+0x380/0x380 [ 161.166523] ? rcu_is_watching+0x23/0x40 [ 161.167309] svc_process+0x1a5/0x200 [ 161.168019] nfsd+0x1f5/0x380 [ 161.168663] ? nfsd_shutdown_threads+0x260/0x260 [ 161.169554] kthread+0x1c4/0x210 [ 161.170224] ? kthread_insert_work_sanity_check+0x80/0x80 [ 161.171246] ret_from_fork+0x1f/0x30

Distribution advisory

This page covers CVE-2024-49875 as tracked by Ubuntu, for the package linux. The fix is available in version 6.8.0-54.56; earlier versions remain affected.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack vector: Network — reachable from anywhere that can route to the service.
Attack complexity: Low — the attack works reliably, with no preparation.
Privileges required: None — an unauthenticated stranger can try it.
User interaction: None — nobody has to be tricked into anything.
Scope: Unchanged — the damage stays inside the vulnerable component.
Confidentiality impact: None.
Integrity impact: None.
Availability impact: High — total loss, or loss the attacker controls.

Affected software

UBUNTU-CVE-2024-49875 is recorded against 135 packages.

linux (fixed in 6.8.0-54.56)
linux-allwinner-5.19
linux-aws (fixed in 6.8.0-1023.25)
linux-aws-5.0
linux-aws-5.11
linux-aws-5.13
linux-aws-5.15 (fixed in 5.15.0-1073.79~20.04.1)
linux-aws-5.19
linux-aws-5.3
linux-aws-5.4
linux-aws-5.8
linux-aws-6.2
linux-aws-6.5
linux-aws-6.8 (fixed in 6.8.0-1023.25~22.04.1)
linux-aws-fips (fixed in 5.15.0-1073.79+fips1)
linux-aws-hwe
linux-azure (fixed in 6.8.0-1025.30)
linux-azure-4.15
linux-azure-5.11
linux-azure-5.13
linux-azure-5.15 (fixed in 5.15.0-1078.87~20.04.1)
linux-azure-5.19
linux-azure-5.3
linux-azure-5.4

Show the remaining 111 packages

linux-azure-5.8
linux-azure-6.11 (fixed in 6.11.0-1012.12~24.04.1)
linux-azure-6.2
linux-azure-6.5
linux-azure-6.8 (fixed in 6.8.0-1025.30~22.04.1)
linux-azure-edge
linux-azure-fde
linux-azure-fde-5.15 (fixed in 5.15.0-1114.123~20.04.1)
linux-azure-fde-5.19
linux-azure-fde-6.2
linux-azure-fips (fixed in 5.15.0-1078.87+fips1)
linux-azure-nvidia (fixed in 6.8.0-1014.15)
linux-bluefield
linux-fips (fixed in 6.8.0-78.78+fips1)
linux-gcp (fixed in 6.8.0-1024.26)
linux-gcp-4.15
linux-gcp-5.11
linux-gcp-5.13
linux-gcp-5.15 (fixed in 5.15.0-1072.80~20.04.1)
linux-gcp-5.19
linux-gcp-5.3
linux-gcp-5.4
linux-gcp-5.8
linux-gcp-6.11 (fixed in 6.11.0-1011.11~24.04.1)
linux-gcp-6.2
linux-gcp-6.5
linux-gcp-6.8 (fixed in 6.8.0-1024.26~22.04.1)
linux-gcp-fips (fixed in 5.15.0-1072.80+fips1)
linux-gke (fixed in 6.8.0-1019.23)
linux-gke-4.15
linux-gke-5.15
linux-gke-5.4
linux-gkeop (fixed in 6.8.0-1006.8)
linux-gkeop-5.15
linux-gkeop-5.4
linux-hwe
linux-hwe-5.11
linux-hwe-5.13
linux-hwe-5.15 (fixed in 5.15.0-127.137~20.04.1)
linux-hwe-5.19
linux-hwe-5.4
linux-hwe-5.8
linux-hwe-6.2
linux-hwe-6.5
linux-hwe-6.8 (fixed in 6.8.0-57.59~22.04.1)
linux-hwe-edge
linux-ibm (fixed in 6.8.0-1022.22)
linux-ibm-5.15 (fixed in 5.15.0-1066.69~20.04.1)
linux-ibm-5.4
linux-ibm-6.8 (fixed in 6.8.0-1023.23~22.04.1)
linux-intel-5.13
linux-intel-iot-realtime (fixed in 5.15.0-1066.68)
linux-intel-iotg (fixed in 5.15.0-1071.77)
linux-intel-iotg-5.15 (fixed in 5.15.0-1071.77~20.04.1)
linux-iot
linux-kvm (fixed in 5.15.0-1070.75)
linux-lowlatency (fixed in 6.8.0-54.56.1)
linux-lowlatency-hwe-5.15 (fixed in 5.15.0-127.137~20.04.1)
linux-lowlatency-hwe-5.19
linux-lowlatency-hwe-6.2
linux-lowlatency-hwe-6.5
linux-lowlatency-hwe-6.8 (fixed in 6.8.0-54.56.1~22.04.1)
linux-lts-xenial
linux-nvidia (fixed in 6.8.0-1022.25)
linux-nvidia-6.11 (fixed in 6.11.0-1007.7)
linux-nvidia-6.2
linux-nvidia-6.5
linux-nvidia-6.8 (fixed in 6.8.0-1022.25~22.04.2)
linux-nvidia-lowlatency (fixed in 6.8.0-1022.25.2)
linux-nvidia-tegra (fixed in 5.15.0-1032.32)
linux-nvidia-tegra-5.15 (fixed in 5.15.0-1032.32~20.04.1)
linux-nvidia-tegra-igx (fixed in 5.15.0-1020.20)
linux-oem
linux-oem-5.10
linux-oem-5.13
linux-oem-5.14
linux-oem-5.17
linux-oem-5.6
linux-oem-6.0
linux-oem-6.1
linux-oem-6.11 (fixed in 6.11.0-1015.15)
linux-oem-6.5
linux-oem-6.8 (fixed in 6.8.0-1024.24)
linux-oracle (fixed in 6.8.0-1020.21)
linux-oracle-5.0
linux-oracle-5.11
linux-oracle-5.13
linux-oracle-5.15 (fixed in 5.15.0-1071.77~20.04.1)
linux-oracle-5.3
linux-oracle-5.4
linux-oracle-5.8
linux-oracle-6.5
linux-oracle-6.8 (fixed in 6.8.0-1020.21~22.04.1)
linux-raspi (fixed in 6.8.0-1019.23)
linux-raspi-5.4
linux-raspi-realtime (fixed in 6.8.0-2018.19)
linux-raspi2
linux-realtime (fixed in 6.8.1-1016.17)
linux-realtime-6.8 (fixed in 6.8.1-1016.17~22.04.1)
linux-riscv (fixed in 6.8.0-53.55.1)
linux-riscv-5.11
linux-riscv-5.15 (fixed in 5.15.0-1069.73~20.04.1)
linux-riscv-5.19
linux-riscv-5.8
linux-riscv-6.5
linux-riscv-6.8 (fixed in 6.8.0-53.55.1~22.04.1)
linux-starfive-5.19
linux-starfive-6.2
linux-starfive-6.5
linux-xilinx (fixed in 6.8.0-1017.18)
linux-xilinx-zynqmp (fixed in 5.15.0-1039.43)

Timeline and source

Published on 21 October 2024 and last revised on 19 August 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

Other advisories for this package

linux has other advisories on record. If you are patching this one, these are worth checking on the same host:

DEBIAN-CVE-2022-4994 (published 30 Jul 2026)
CVE-2026-35233 (4.4 Medium, published 1 May 2026)
CVE-2026-21996 (3.3 Low, published 1 May 2026)
CVE-2026-21991 (5.5 Medium, published 16 Mar 2026)
CGA-mcwh-q4vm-9f29 (published 29 Jan 2026)
CGA-w6xv-3fg4-grm5 (published 29 Jan 2026)
CGA-7wmc-rrpx-535w (published 7 Jan 2026)
CGA-5g29-pc3v-86pw (published 7 Jan 2026)

CVE-2024-49875 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

BellSoft — BELL-CVE-2024-49875 Base record — CVE-2024-49875 Debian — DEBIAN-CVE-2024-49875

Details

Severity Unknown

CVSS Score N/A

CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE N/A

Public Exploit ✅ No

Source OSV

Published 2024-10-21

Updated 2026-08-20

Modified 2026-08-19

Fix URL N/A

Affected Packages

Software	From version	Fixed in
linux	—	6.8.0-54.56
linux-allwinner-5.19	—	—
linux-aws	—	6.8.0-1023.25
linux-aws-5.0	—	—
linux-aws-5.11	—	—
linux-aws-5.13	—	—
linux-aws-5.15	—	5.15.0-1073.79~20.04.1
linux-aws-5.19	—	—
linux-aws-5.3	—	—
linux-aws-5.4	—	—
linux-aws-5.8	—	—
linux-aws-6.2	—	—
linux-aws-6.5	—	—
linux-aws-6.8	—	6.8.0-1023.25~22.04.1
linux-aws-fips	—	5.15.0-1073.79+fips1
linux-aws-hwe	—	—
linux-azure	—	6.8.0-1025.30
linux-azure-4.15	—	—
linux-azure-5.11	—	—
linux-azure-5.13	—	—
linux-azure-5.15	—	5.15.0-1078.87~20.04.1
linux-azure-5.19	—	—
linux-azure-5.3	—	—
linux-azure-5.4	—	—
linux-azure-5.8	—	—
linux-azure-6.11	—	6.11.0-1012.12~24.04.1
linux-azure-6.2	—	—
linux-azure-6.5	—	—
linux-azure-6.8	—	6.8.0-1025.30~22.04.1
linux-azure-edge	—	—
linux-azure-fde	—	—
linux-azure-fde-5.15	—	5.15.0-1114.123~20.04.1
linux-azure-fde-5.19	—	—
linux-azure-fde-6.2	—	—
linux-azure-fips	—	5.15.0-1078.87+fips1
linux-azure-nvidia	—	6.8.0-1014.15
linux-bluefield	—	—
linux-fips	—	6.8.0-78.78+fips1
linux-gcp	—	6.8.0-1024.26
linux-gcp-4.15	—	—
linux-gcp-5.11	—	—
linux-gcp-5.13	—	—
linux-gcp-5.15	—	5.15.0-1072.80~20.04.1
linux-gcp-5.19	—	—
linux-gcp-5.3	—	—
linux-gcp-5.4	—	—
linux-gcp-5.8	—	—
linux-gcp-6.11	—	6.11.0-1011.11~24.04.1
linux-gcp-6.2	—	—
linux-gcp-6.5	—	—
linux-gcp-6.8	—	6.8.0-1024.26~22.04.1
linux-gcp-fips	—	5.15.0-1072.80+fips1
linux-gke	—	6.8.0-1019.23
linux-gke-4.15	—	—
linux-gke-5.15	—	—
linux-gke-5.4	—	—
linux-gkeop	—	6.8.0-1006.8
linux-gkeop-5.15	—	—
linux-gkeop-5.4	—	—
linux-hwe	—	—
linux-hwe-5.11	—	—
linux-hwe-5.13	—	—
linux-hwe-5.15	—	5.15.0-127.137~20.04.1
linux-hwe-5.19	—	—
linux-hwe-5.4	—	—
linux-hwe-5.8	—	—
linux-hwe-6.2	—	—
linux-hwe-6.5	—	—
linux-hwe-6.8	—	6.8.0-57.59~22.04.1
linux-hwe-edge	—	—
linux-ibm	—	6.8.0-1022.22
linux-ibm-5.15	—	5.15.0-1066.69~20.04.1
linux-ibm-5.4	—	—
linux-ibm-6.8	—	6.8.0-1023.23~22.04.1
linux-intel-5.13	—	—
linux-intel-iot-realtime	—	5.15.0-1066.68
linux-intel-iotg	—	5.15.0-1071.77
linux-intel-iotg-5.15	—	5.15.0-1071.77~20.04.1
linux-iot	—	—
linux-kvm	—	5.15.0-1070.75
linux-lowlatency	—	6.8.0-54.56.1
linux-lowlatency-hwe-5.15	—	5.15.0-127.137~20.04.1
linux-lowlatency-hwe-5.19	—	—
linux-lowlatency-hwe-6.2	—	—
linux-lowlatency-hwe-6.5	—	—
linux-lowlatency-hwe-6.8	—	6.8.0-54.56.1~22.04.1
linux-lts-xenial	—	—
linux-nvidia	—	6.8.0-1022.25
linux-nvidia-6.11	—	6.11.0-1007.7
linux-nvidia-6.2	—	—
linux-nvidia-6.5	—	—
linux-nvidia-6.8	—	6.8.0-1022.25~22.04.2
linux-nvidia-lowlatency	—	6.8.0-1022.25.2
linux-nvidia-tegra	—	5.15.0-1032.32
linux-nvidia-tegra-5.15	—	5.15.0-1032.32~20.04.1
linux-nvidia-tegra-igx	—	5.15.0-1020.20
linux-oem	—	—
linux-oem-5.10	—	—
linux-oem-5.13	—	—
linux-oem-5.14	—	—
linux-oem-5.17	—	—
linux-oem-5.6	—	—
linux-oem-6.0	—	—
linux-oem-6.1	—	—
linux-oem-6.11	—	6.11.0-1015.15
linux-oem-6.5	—	—
linux-oem-6.8	—	6.8.0-1024.24
linux-oracle	—	6.8.0-1020.21
linux-oracle-5.0	—	—
linux-oracle-5.11	—	—
linux-oracle-5.13	—	—
linux-oracle-5.15	—	5.15.0-1071.77~20.04.1
linux-oracle-5.3	—	—
linux-oracle-5.4	—	—
linux-oracle-5.8	—	—
linux-oracle-6.5	—	—
linux-oracle-6.8	—	6.8.0-1020.21~22.04.1
linux-raspi	—	6.8.0-1019.23
linux-raspi-5.4	—	—
linux-raspi-realtime	—	6.8.0-2018.19
linux-raspi2	—	—
linux-realtime	—	6.8.1-1016.17
linux-realtime-6.8	—	6.8.1-1016.17~22.04.1
linux-riscv	—	6.8.0-53.55.1
linux-riscv-5.11	—	—
linux-riscv-5.15	—	5.15.0-1069.73~20.04.1
linux-riscv-5.19	—	—
linux-riscv-5.8	—	—
linux-riscv-6.5	—	—
linux-riscv-6.8	—	6.8.0-53.55.1~22.04.1
linux-starfive-5.19	—	—
linux-starfive-6.2	—	—
linux-starfive-6.5	—	—
linux-xilinx	—	6.8.0-1017.18
linux-xilinx-zynqmp	—	5.15.0-1039.43

References

REPORT https://ubuntu.com/security/CVE-2024-49875

REPORT https://www.cve.org/CVERecord?id=CVE-2024-49875

REPORT https://git.kernel.org/linus/340e61e44c1d2a15c42ec72ade9195ad525fd048

REPORT https://git.kernel.org/stable/c/0ea4333c679f333e23956de743ad17387819d3f2

REPORT https://git.kernel.org/stable/c/825789ca94602543101045ad3aad19b2b60c6b2a

REPORT https://git.kernel.org/stable/c/6fe058502f8864649c3d614b06b2235223798f48

REPORT https://git.kernel.org/stable/c/f7d8ee9db94372b8235f5f22bb24381891594c42

REPORT https://git.kernel.org/stable/c/c76005adfa93d1a027433331252422078750321f

REPORT https://git.kernel.org/stable/c/e9cfecca22a36b927a440abc6307efb9e138fed5

REPORT https://git.kernel.org/stable/c/340e61e44c1d2a15c42ec72ade9195ad525fd048

ADVISORY https://ubuntu.com/security/notices/USN-7166-1

ADVISORY https://ubuntu.com/security/notices/USN-7166-2

ADVISORY https://ubuntu.com/security/notices/USN-7166-3

ADVISORY https://ubuntu.com/security/notices/USN-7186-1

ADVISORY https://ubuntu.com/security/notices/USN-7186-2

ADVISORY https://ubuntu.com/security/notices/USN-7194-1

ADVISORY https://ubuntu.com/security/notices/USN-7166-4

ADVISORY https://ubuntu.com/security/notices/USN-7276-1

ADVISORY https://ubuntu.com/security/notices/USN-7277-1

ADVISORY https://ubuntu.com/security/notices/USN-7301-1

ADVISORY https://ubuntu.com/security/notices/USN-7303-1

ADVISORY https://ubuntu.com/security/notices/USN-7304-1

ADVISORY https://ubuntu.com/security/notices/USN-7303-2

ADVISORY https://ubuntu.com/security/notices/USN-7310-1

ADVISORY https://ubuntu.com/security/notices/USN-7311-1

ADVISORY https://ubuntu.com/security/notices/USN-7303-3

ADVISORY https://ubuntu.com/security/notices/USN-7384-1

ADVISORY https://ubuntu.com/security/notices/USN-7385-1

ADVISORY https://ubuntu.com/security/notices/USN-7386-1

ADVISORY https://ubuntu.com/security/notices/USN-7384-2

ADVISORY https://ubuntu.com/security/notices/USN-7403-1

ADVISORY https://ubuntu.com/security/notices/USN-7468-1

🔗 NVD 🔗 Mitre

Similar Threats

Site Security Check

Is linux part of your stack?

UBUNTU-CVE-2024-49875 is rated CVSS 7.5 High. BotEraser scans your installation against known CVE records and tells you whether this vulnerability applies to the versions you actually run.

Scan My Site Free →

No credit card required · Results in minutes

ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.

🛡️ CVE-2024-49875 on Ubuntu — linux

Description

Distribution advisory

How this vulnerability can be exploited

CVSS metrics in full

Affected software

Timeline and source

References

Other advisories for this package

CVE-2024-49875 on other distributions

Is linux part of your stack?

Browse related advisories

Company

Resources

Services

Trusted

Subscribe