This bug was fixed in the package linux - 5.15.0-153.163
---------------
linux (5.15.0-153.163) jammy; urgency=medium
* jammy/linux: 5.15.0-153.163 -proposed tracker (LP: #2119877)
* CVE-2024-57996 // CVE-2025-37752
- net_sched: sch_sfq: annotate data-races around q->perturb_period
- net_sched: sch_sfq: handle bigger packets
- net_sched: sch_sfq: don't allow 1 packet limit
- net_sched: sch_sfq: use a temporary work area for validating
configuration
- net_sched: sch_sfq: move the limit validation
* CVE-2025-38350
- net/sched: Always pass notifications when child class becomes empty
* CVE-2024-27407
- fs/ntfs3: Fixed overflow check in mi_enum_attr()
* watchdog: BUG: soft lockup - CPU#6 stuck for 5718s! [wdavdaemon:1134] with
5.15.0-144-generic (LP: #2118407)
- fs/proc: do_task_stat: use __for_each_thread()
-- Manuel Diewald <[email protected]> Thu, 07 Aug 2025
16:45:02 +0200
** Changed in: linux (Ubuntu Jammy)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/2118407
Title:
watchdog: BUG: soft lockup - CPU#6 stuck for 5718s! [wdavdaemon:1134]
with 5.15.0-144-generic
Status in linux package in Ubuntu:
Fix Committed
Status in linux source package in Jammy:
Fix Released
Bug description:
linux-image-5.15.0-144-generic
Ubuntu 22.04
Microsoft Defender for Endpoint Linux (mdatp, wdavdaemon)
Docker
After latest kernel patch I see constant freezes on servers with mdatp
and docker running in our environment. Only happens on docker hosts
running 5.15.0-144. We have non-docker hosts running on this kernel
with mdatp without issue.
Jul 24 14:03:21 coa2a-docker kernel: [34356.813909] watchdog: BUG: soft
lockup - CPU#6 stuck for 5808s! [wdavdaemon:1134]
Jul 24 14:03:21 coa2a-docker kernel: [34356.814897] Modules linked in:
unix_diag(+) tls(+) nf_conntrack_netlink xt_nat xt_tcpudp v
eth xt_conntrack xt_MASQUERADE bridge stp llc xt_set ip_set nft_counter
nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag
_ipv4 xt_addrtype nft_compat nf_tables nfnetlink xfrm_user xfrm_algo cmac
cifs cifs_arc4 cifs_md4 fscache netfs overlay binfmt_mis
c nls_iso8859_1 joydev input_leds serio_raw kvm_amd ccp kvm dm_multipath drm
scsi_dh_rdac scsi_dh_emc scsi_dh_alua sch_fq_codel ef
i_pstore msr ip_tables x_tables autofs4 btrfs blake2b_generic zstd_compress
raid10 raid456 async_raid6_recov async_memcpy async_pq
async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear
hid_generic usbhid hid crct10dif_pclmul crc32_pclmul ghash
_clmulni_intel sha256_ssse3 sha1_ssse3 aesni_intel crypto_simd cryptd
virtio_net psmouse net_failover virtio_blk virtio_rng failov
er floppy
Jul 24 14:03:21 coa2a-docker kernel: [34356.814950] CPU: 6 PID: 1134 Comm:
wdavdaemon Tainted: G L 5.15.0-144-gener
ic #157-Ubuntu
Jul 24 14:03:21 coa2a-docker kernel: [34356.814953] Hardware name: OpenStack
Foundation OpenStack Nova, BIOS 1.10.2-1ubuntu1 04/01
/2014
Jul 24 14:03:21 coa2a-docker kernel: [34356.814954] RIP:
0010:do_task_stat+0xbff/0xdf0
Jul 24 14:03:21 coa2a-docker kernel: [34356.814961] Code: ff 31 d2 e9 7b fa
ff ff 8b 75 98 4c 8b a3 10 02 00 00 4c 8b bb 18 02 00
00 4c 8b ab c8 01 00 00 48 89 d0 4c 03 a0 00 0b 00 00 <4c> 03 b8 08 0b 00 00
4c 03 a8 c0 0a 00 00 48 8b 80 70 0a 00 00 48
Jul 24 14:03:21 coa2a-docker kernel: [34356.814963] RSP:
0018:ffffaf5101317c18 EFLAGS: 00000212
Jul 24 14:03:21 coa2a-docker kernel: [34356.814964] RAX: ffff973b08314c80
RBX: ffff973ceaf03600 RCX: 0000000000000000
Jul 24 14:03:21 coa2a-docker kernel: [34356.814965] RDX: ffff973b0e1d4c80
RSI: 0000000000000000 RDI: 0000000000000001
Jul 24 14:03:21 coa2a-docker kernel: [34356.814966] RBP: ffffaf5101317d28
R08: ffff973b06e29c30 R09: 0000000000000001
Jul 24 14:03:21 coa2a-docker ker
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